JAVA Interview Questions and Answers

img:is([sizes="auto" i],[sizes^="auto," i]){contain-intrinsic-size:3000px 1500px;}img.wp-smiley,img.emoji{display:inline !important;border:none !important;box-shadow:none !important;height:1em !important;width:1em !important;margin:0 .07em !important;vertical-align:-.1em !important;background:none !important;padding:0 !important;}:root{--wp--preset--aspect-ratio--square:1;--wp--preset--aspect-ratio--4-3:4/3;--wp--preset--aspect-ratio--3-4:3/4;--wp--preset--aspect-ratio--3-2:3/2;--wp--preset--aspect-ratio--2-3:2/3;--wp--preset--aspect-ratio--16-9:16/9;--wp--preset--aspect-ratio--9-16:9/16;--wp--preset--color--black:#000;--wp--preset--color--cyan-bluish-gray:#abb8c3;--wp--preset--color--white:#fff;--wp--preset--color--pale-pink:#f78da7;--wp--preset--color--vivid-red:#cf2e2e;--wp--preset--color--luminous-vivid-orange:#ff6900;--wp--preset--color--luminous-vivid-amber:#fcb900;--wp--preset--color--light-green-cyan:#7bdcb5;--wp--preset--color--vivid-green-cyan:#00d084;--wp--preset--color--pale-cyan-blue:#8ed1fc;--wp--preset--color--vivid-cyan-blue:#0693e3;--wp--preset--color--vivid-purple:#9b51e0;--wp--preset--gradient--vivid-cyan-blue-to-vivid-purple:linear-gradient(135deg,rgba(6,147,227,1) 0%,#9b51e0 100%);--wp--preset--gradient--light-green-cyan-to-vivid-green-cyan:linear-gradient(135deg,#7adcb4 0%,#00d082 100%);--wp--preset--gradient--luminous-vivid-amber-to-luminous-vivid-orange:linear-gradient(135deg,rgba(252,185,0,1) 0%,rgba(255,105,0,1) 100%);--wp--preset--gradient--luminous-vivid-orange-to-vivid-red:linear-gradient(135deg,rgba(255,105,0,1) 0%,#cf2e2e 100%);--wp--preset--gradient--very-light-gray-to-cyan-bluish-gray:linear-gradient(135deg,#eee 0%,#a9b8c3 100%);--wp--preset--gradient--cool-to-warm-spectrum:linear-gradient(135deg,#4aeadc 0%,#9778d1 20%,#cf2aba 40%,#ee2c82 60%,#fb6962 80%,#fef84c 100%);--wp--preset--gradient--blush-light-purple:linear-gradient(135deg,#ffceec 0%,#9896f0 100%);--wp--preset--gradient--blush-bordeaux:linear-gradient(135deg,#fecda5 0%,#fe2d2d 50%,#6b003e 100%);--wp--preset--gradient--luminous-dusk:linear-gradient(135deg,#ffcb70 0%,#c751c0 50%,#4158d0 100%);--wp--preset--gradient--pale-ocean:linear-gradient(135deg,#fff5cb 0%,#b6e3d4 50%,#33a7b5 100%);--wp--preset--gradient--electric-grass:linear-gradient(135deg,#caf880 0%,#71ce7e 100%);--wp--preset--gradient--midnight:linear-gradient(135deg,#020381 0%,#2874fc 100%);--wp--preset--font-size--small:13px;--wp--preset--font-size--medium:20px;--wp--preset--font-size--large:36px;--wp--preset--font-size--x-large:42px;--wp--preset--spacing--20:.44rem;--wp--preset--spacing--30:.67rem;--wp--preset--spacing--40:1rem;--wp--preset--spacing--50:1.5rem;--wp--preset--spacing--60:2.25rem;--wp--preset--spacing--70:3.38rem;--wp--preset--spacing--80:5.06rem;--wp--preset--shadow--natural:6px 6px 9px rgba(0,0,0,.2);--wp--preset--shadow--deep:12px 12px 50px rgba(0,0,0,.4);--wp--preset--shadow--sharp:6px 6px 0px rgba(0,0,0,.2);--wp--preset--shadow--outlined:6px 6px 0px -3px rgba(255,255,255,1),6px 6px rgba(0,0,0,1);--wp--preset--shadow--crisp:6px 6px 0px rgba(0,0,0,1);}:root{--wp--style--global--content-size:800px;--wp--style--global--wide-size:1200px;}:where(body){margin:0;}.wp-site-blocks > .alignleft{float:left;margin-right:2em;}.wp-site-blocks > .alignright{float:right;margin-left:2em;}.wp-site-blocks > .aligncenter{justify-content:center;margin-left:auto;margin-right:auto;}:where(.wp-site-blocks) > *{margin-block-start:24px;margin-block-end:0;}:where(.wp-site-blocks) > :first-child{margin-block-start:0;}:where(.wp-site-blocks) > :last-child{margin-block-end:0;}:root{--wp--style--block-gap:24px;}:root :where(.is-layout-flow) > :first-child{margin-block-start:0;}:root :where(.is-layout-flow) > :last-child{margin-block-end:0;}:root :where(.is-layout-flow) > *{margin-block-start:24px;margin-block-end:0;}:root :where(.is-layout-constrained) > :first-child{margin-block-start:0;}:root :where(.is-layout-constrained) > :last-child{margin-block-end:0;}:root :where(.is-layout-constrained) > *{margin-block-start:24px;margin-block-end:0;}:root :where(.is-layout-flex){gap:24px;}:root :where(.is-layout-grid){gap:24px;}.is-layout-flow > .alignleft{float:left;margin-inline-start:0;margin-inline-end:2em;}.is-layout-flow > .alignright{float:right;margin-inline-start:2em;margin-inline-end:0;}.is-layout-flow > .aligncenter{margin-left:auto !important;margin-right:auto !important;}.is-layout-constrained > .alignleft{float:left;margin-inline-start:0;margin-inline-end:2em;}.is-layout-constrained > .alignright{float:right;margin-inline-start:2em;margin-inline-end:0;}.is-layout-constrained > .aligncenter{margin-left:auto !important;margin-right:auto !important;}.is-layout-constrained > :where(:not(.alignleft):not(.alignright):not(.alignfull)){max-width:var(--wp--style--global--content-size);margin-left:auto !important;margin-right:auto !important;}.is-layout-constrained > .alignwide{max-width:var(--wp--style--global--wide-size);}body .is-layout-flex{display:flex;}.is-layout-flex{flex-wrap:wrap;align-items:center;}.is-layout-flex > :is(*,div){margin:0;}body .is-layout-grid{display:grid;}.is-layout-grid > :is(*,div){margin:0;}body{padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}a:where(:not(.wp-element-button)){text-decoration:underline;}:root :where(.wp-element-button,.wp-block-button__link){background-color:#32373c;border-width:0;color:#fff;font-family:inherit;font-size:inherit;line-height:inherit;padding:calc(.667em + 2px) calc(1.333em + 2px);text-decoration:none;}.has-black-color{color:var(--wp--preset--color--black) !important;}.has-cyan-bluish-gray-color{color:var(--wp--preset--color--cyan-bluish-gray) !important;}.has-white-color{color:var(--wp--preset--color--white) !important;}.has-pale-pink-color{color:var(--wp--preset--color--pale-pink) !important;}.has-vivid-red-color{color:var(--wp--preset--color--vivid-red) !important;}.has-luminous-vivid-orange-color{color:var(--wp--preset--color--luminous-vivid-orange) !important;}.has-luminous-vivid-amber-color{color:var(--wp--preset--color--luminous-vivid-amber) !important;}.has-light-green-cyan-color{color:var(--wp--preset--color--light-green-cyan) !important;}.has-vivid-green-cyan-color{color:var(--wp--preset--color--vivid-green-cyan) !important;}.has-pale-cyan-blue-color{color:var(--wp--preset--color--pale-cyan-blue) !important;}.has-vivid-cyan-blue-color{color:var(--wp--preset--color--vivid-cyan-blue) !important;}.has-vivid-purple-color{color:var(--wp--preset--color--vivid-purple) !important;}.has-black-background-color{background-color:var(--wp--preset--color--black) !important;}.has-cyan-bluish-gray-background-color{background-color:var(--wp--preset--color--cyan-bluish-gray) !important;}.has-white-background-color{background-color:var(--wp--preset--color--white) !important;}.has-pale-pink-background-color{background-color:var(--wp--preset--color--pale-pink) !important;}.has-vivid-red-background-color{background-color:var(--wp--preset--color--vivid-red) !important;}.has-luminous-vivid-orange-background-color{background-color:var(--wp--preset--color--luminous-vivid-orange) !important;}.has-luminous-vivid-amber-background-color{background-color:var(--wp--preset--color--luminous-vivid-amber) !important;}.has-light-green-cyan-background-color{background-color:var(--wp--preset--color--light-green-cyan) !important;}.has-vivid-green-cyan-background-color{background-color:var(--wp--preset--color--vivid-green-cyan) !important;}.has-pale-cyan-blue-background-color{background-color:var(--wp--preset--color--pale-cyan-blue) !important;}.has-vivid-cyan-blue-background-color{background-color:var(--wp--preset--color--vivid-cyan-blue) !important;}.has-vivid-purple-background-color{background-color:var(--wp--preset--color--vivid-purple) !important;}.has-black-border-color{border-color:var(--wp--preset--color--black) !important;}.has-cyan-bluish-gray-border-color{border-color:var(--wp--preset--color--cyan-bluish-gray) !important;}.has-white-border-color{border-color:var(--wp--preset--color--white) !important;}.has-pale-pink-border-color{border-color:var(--wp--preset--color--pale-pink) !important;}.has-vivid-red-border-color{border-color:var(--wp--preset--color--vivid-red) !important;}.has-luminous-vivid-orange-border-color{border-color:var(--wp--preset--color--luminous-vivid-orange) !important;}.has-luminous-vivid-amber-border-color{border-color:var(--wp--preset--color--luminous-vivid-amber) !important;}.has-light-green-cyan-border-color{border-color:var(--wp--preset--color--light-green-cyan) !important;}.has-vivid-green-cyan-border-color{border-color:var(--wp--preset--color--vivid-green-cyan) !important;}.has-pale-cyan-blue-border-color{border-color:var(--wp--preset--color--pale-cyan-blue) !important;}.has-vivid-cyan-blue-border-color{border-color:var(--wp--preset--color--vivid-cyan-blue) !important;}.has-vivid-purple-border-color{border-color:var(--wp--preset--color--vivid-purple) !important;}.has-vivid-cyan-blue-to-vivid-purple-gradient-background{background:var(--wp--preset--gradient--vivid-cyan-blue-to-vivid-purple) !important;}.has-light-green-cyan-to-vivid-green-cyan-gradient-background{background:var(--wp--preset--gradient--light-green-cyan-to-vivid-green-cyan) !important;}.has-luminous-vivid-amber-to-luminous-vivid-orange-gradient-background{background:var(--wp--preset--gradient--luminous-vivid-amber-to-luminous-vivid-orange) !important;}.has-luminous-vivid-orange-to-vivid-red-gradient-background{background:var(--wp--preset--gradient--luminous-vivid-orange-to-vivid-red) !important;}.has-very-light-gray-to-cyan-bluish-gray-gradient-background{background:var(--wp--preset--gradient--very-light-gray-to-cyan-bluish-gray) !important;}.has-cool-to-warm-spectrum-gradient-background{background:var(--wp--preset--gradient--cool-to-warm-spectrum) !important;}.has-blush-light-purple-gradient-background{background:var(--wp--preset--gradient--blush-light-purple) !important;}.has-blush-bordeaux-gradient-background{background:var(--wp--preset--gradient--blush-bordeaux) !important;}.has-luminous-dusk-gradient-background{background:var(--wp--preset--gradient--luminous-dusk) !important;}.has-pale-ocean-gradient-background{background:var(--wp--preset--gradient--pale-ocean) !important;}.has-electric-grass-gradient-background{background:var(--wp--preset--gradient--electric-grass) !important;}.has-midnight-gradient-background{background:var(--wp--preset--gradient--midnight) !important;}.has-small-font-size{font-size:var(--wp--preset--font-size--small) !important;}.has-medium-font-size{font-size:var(--wp--preset--font-size--medium) !important;}.has-large-font-size{font-size:var(--wp--preset--font-size--large) !important;}.has-x-large-font-size{font-size:var(--wp--preset--font-size--x-large) !important;}:root :where(.wp-block-pullquote){font-size:1.5em;line-height:1.6;}.mce-notification.mce-notification-error{display:none !important;}:root{--tutor-color-primary:#3e64de;--tutor-color-primary-rgb:62,100,222;--tutor-color-primary-hover:#395bca;--tutor-color-primary-hover-rgb:57,91,202;--tutor-body-color:#212327;--tutor-body-color-rgb:33,35,39;--tutor-border-color:#cdcfd5;--tutor-border-color-rgb:205,207,213;--tutor-color-gray:#e3e5eb;--tutor-color-gray-rgb:227,229,235;}.a-stats{--akismet-color-mid-green:#357b49;--akismet-color-white:#fff;--akismet-color-light-grey:#f6f7f7;max-width:350px;width:auto;}.a-stats *{all:unset;box-sizing:border-box;}.a-stats strong{font-weight:600;}.a-stats a.a-stats__link,.a-stats a.a-stats__link:visited,.a-stats a.a-stats__link:active{background:var(--akismet-color-mid-green);border:none;box-shadow:none;border-radius:8px;color:var(--akismet-color-white);cursor:pointer;display:block;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Roboto","Oxygen-Sans","Ubuntu","Cantarell","Helvetica Neue",sans-serif;font-weight:500;padding:12px;text-align:center;text-decoration:none;transition:all .2s ease;}.widget .a-stats a.a-stats__link:focus{background:var(--akismet-color-mid-green);color:var(--akismet-color-white);text-decoration:none;}.a-stats a.a-stats__link:hover{filter:brightness(110%);box-shadow:0 4px 12px rgba(0,0,0,.06),0 0 2px rgba(0,0,0,.16);}.a-stats .count{color:var(--akismet-color-white);display:block;font-size:1.5em;line-height:1.4;padding:0 13px;white-space:nowrap;}.e-con.e-parent:nth-of-type(n+4):not(.e-lazyloaded):not(.e-no-lazyload),.e-con.e-parent:nth-of-type(n+4):not(.e-lazyloaded):not(.e-no-lazyload) *{background-image:none !important;}@media screen and (max-height: 1024px){.e-con.e-parent:nth-of-type(n+3):not(.e-lazyloaded):not(.e-no-lazyload),.e-con.e-parent:nth-of-type(n+3):not(.e-lazyloaded):not(.e-no-lazyload) *{background-image:none !important;}.e-con.e-parent:nth-of-type(n+3):not(.e-lazyloaded):not(.e-no-lazyload).nitro-lazy,.e-con.e-parent:nth-of-type(n+3):not(.e-lazyloaded):not(.e-no-lazyload) *.nitro-lazy{background-image:none !important;}}@media screen and (max-height: 640px){.e-con.e-parent:nth-of-type(n+2):not(.e-lazyloaded):not(.e-no-lazyload),.e-con.e-parent:nth-of-type(n+2):not(.e-lazyloaded):not(.e-no-lazyload) *{background-image:none !important;}.e-con.e-parent:nth-of-type(n+2):not(.e-lazyloaded):not(.e-no-lazyload).nitro-lazy,.e-con.e-parent:nth-of-type(n+2):not(.e-lazyloaded):not(.e-no-lazyload) *.nitro-lazy{background-image:none !important;}}.e-con.e-parent:nth-of-type(n+4):not(.e-lazyloaded):not(.e-no-lazyload).nitro-lazy,.e-con.e-parent:nth-of-type(n+4):not(.e-lazyloaded):not(.e-no-lazyload) *.nitro-lazy{background-image:none !important;}.momo{color:#111f62 !important;font-size:17px !important;font-weight:600 !important;}.elementor-icon i:hover{}.elementor-element-f924a90{display:block !important;}.elementor-570 .elementor-element.elementor-element-3e44c1e5 .tutor-course-details-widget-col-2 ul{display:block !important;}.page-header{display:none;}.envato-block__preview{overflow:visible;}.elementor-headline-animation-type-drop-in .elementor-headline-dynamic-wrapper{text-align:center;}.envato-kit-141-top-0 h1,.envato-kit-141-top-0 h2,.envato-kit-141-top-0 h3,.envato-kit-141-top-0 h4,.envato-kit-141-top-0 h5,.envato-kit-141-top-0 h6,.envato-kit-141-top-0 p{margin-top:0;}.envato-kit-141-newsletter-inline .elementor-field-textual.elementor-size-md{padding-left:1.5rem;padding-right:1.5rem;}.envato-kit-141-bottom-0 p{margin-bottom:0;}.envato-kit-141-bottom-8 .elementor-price-list .elementor-price-list-item .elementor-price-list-header{margin-bottom:.5rem;}.envato-kit-141.elementor-widget-testimonial-carousel.elementor-pagination-type-bullets .swiper-container{padding-bottom:52px;}.envato-kit-141-display-inline{display:inline-block;}.envato-kit-141 .elementor-slick-slider ul.slick-dots{bottom:-40px;}.envato-block__preview{overflow:visible;}.envato-kit-139-accordion .elementor-widget-container{border-radius:10px !important;}.envato-kit-139-map iframe,.envato-kit-139-slider .slick-slide,.envato-kit-139-flipbox .elementor-flip-box div{border-radius:10px !important;}.envato-block__preview{overflow:visible;}.envato-kit-69-slide-btn .elementor-button,.envato-kit-69-cta-btn .elementor-button,.envato-kit-69-flip-btn .elementor-button{border-left:0px !important;border-bottom:0px !important;border-right:0px !important;padding:15px 0 0 !important;}.envato-kit-69-slide-btn .elementor-slide-button:hover,.envato-kit-69-cta-btn .elementor-button:hover,.envato-kit-69-flip-btn .elementor-button:hover{margin-bottom:20px;}.envato-kit-69-menu .elementor-nav-menu--main a:hover{margin-top:-7px;padding-top:4px;border-bottom:1px solid #fff;}.envato-kit-69-menu .elementor-nav-menu--dropdown{width:100% !important;}.envato-block__preview{overflow:visible;}.envato-kit-30-phone-overlay{position:absolute !important;display:block !important;top:0%;left:0%;right:0%;margin:auto;z-index:1;}.envato-kit-30-div-rotate{transform:rotate(90deg);}.envato-kit-138-bracket .elementor-widget-container > *:before{content:"[";color:#ffab00;display:inline-block;margin-right:4px;line-height:1em;position:relative;top:-1px;}.envato-kit-138-bracket .elementor-widget-container > *:after{content:"]";color:#ffab00;display:inline-block;margin-left:4px;line-height:1em;position:relative;top:-1px;}.envato-block__preview{overflow:visible !important;}.envato-kit-66-menu .e--pointer-framed .elementor-item:before{border-radius:1px;}.envato-kit-66-subscription-form .elementor-form-fields-wrapper{position:relative;}.envato-kit-66-subscription-form .elementor-form-fields-wrapper .elementor-field-type-submit{position:static;}.envato-kit-66-subscription-form .elementor-form-fields-wrapper .elementor-field-type-submit button{position:absolute;top:50%;right:6px;transform:translate(0,-50%);-moz-transform:translate(0,-50%);-webmit-transform:translate(0,-50%);}.envato-kit-66-testi-slider .elementor-testimonial__footer{margin-top:-60px !important;z-index:99;position:relative;}.envato-kit-66-featured-slider .elementor-slides .slick-prev{width:50px;height:50px;background-color:#fff !important;transform:rotate(45deg);-moz-transform:rotate(45deg);-webkit-transform:rotate(45deg);left:-25px !important;-webkit-box-shadow:0px 1px 2px 1px rgba(0,0,0,.32);-moz-box-shadow:0px 1px 2px 1px rgba(0,0,0,.32);box-shadow:0px 1px 2px 1px rgba(0,0,0,.32);}.envato-kit-66-featured-slider .elementor-slides .slick-prev:before{display:block;margin-top:0px;margin-left:0px;transform:rotate(-45deg);-moz-transform:rotate(-45deg);-webkit-transform:rotate(-45deg);}.envato-kit-66-featured-slider .elementor-slides .slick-next{width:50px;height:50px;background-color:#fff !important;transform:rotate(45deg);-moz-transform:rotate(45deg);-webkit-transform:rotate(45deg);right:-25px !important;-webkit-box-shadow:0px 1px 2px 1px rgba(0,0,0,.32);-moz-box-shadow:0px 1px 2px 1px rgba(0,0,0,.32);box-shadow:0px 1px 2px 1px rgba(0,0,0,.32);}.envato-kit-66-featured-slider .elementor-slides .slick-next:before{display:block;margin-top:-5px;margin-right:-5px;transform:rotate(-45deg);-moz-transform:rotate(-45deg);-webkit-transform:rotate(-45deg);}.envato-kit-66-orangetext{color:#f4511e;}.envato-kit-66-countdown .elementor-countdown-label{display:inline-block !important;border:2px solid rgba(255,255,255,.2);padding:9px 20px;}.elementor-1375 .elementor-element.elementor-element-27beb510 .elementskit-section-title-wraper .elementskit-section-title{margin:0px 0px 10px 0px !important;}.sli .elementor-swiper-button svg{border-radius:30px !important;background:#5754f7;}.elementor-element-b9a9b3d{padding:0px;margin:0px;}.elementor-809{overflow:hidden !important;}.texat{text-decoration:none !important;}.tutor-wrap{padding:50px 0px !important;}.envato-block__preview{overflow:visible;}.envato-kit-140-material-hit .menu-item a,.envato-kit-140-material-button .elementor-button{background-position:center;transition:background .8s;}.envato-kit-140-material-hit .menu-item a:hover,.envato-kit-140-material-button .elementor-button:hover{background:radial-gradient(circle,transparent 1%,#fff 1%) center/15000%;}.envato-kit-140-material-hit .menu-item a:active,.envato-kit-140-material-button .elementor-button:active{background-color:#fff;background-size:100%;transition:background 0s;}.envato-kit-140-big-shadow-form .elementor-field-textual{box-shadow:0 20px 30px rgba(0,0,0,.05);}.envato-kit-140-faq .elementor-accordion .elementor-accordion-item{border-width:0 0 1px !important;}.envato-kit-140-scrollable{height:100%;overflow:auto;overflow-x:hidden;}.envato-kit-140-imagebox-nospace:hover{transform:scale(1.1);transition:all .3s;}.envato-kit-140-imagebox-nospace figure{line-height:0;}.envato-kit-140-slide .elementor-slide-content{background:#fff;margin-left:-60px;padding:1em;}.envato-kit-140-carousel .slick-active:not(.slick-current) img{padding:20px !important;transition:all .9s;}.envato-kit-102-phone-overlay{position:absolute !important;display:block !important;top:0%;left:0%;right:0%;margin:auto;z-index:1;}.unlimited-elements-background-overlay{position:absolute;top:0px;left:0px;width:100%;height:100%;z-index:0;}.unlimited-elements-background-overlay.uc-bg-front{z-index:999;}

JAVA Interview Questions and Answers

JAVA Interview Questions and Answers

Company

Work with Us

Our Policies

Quick Links

Have Any Question?

enroll for free online demo class

subscribe to download