What is numberformatexception in java?

466

What is type inference? Is type inference available in older versions like java 7 and before 7 or it is available only in java se 8?

502

Why struts framework is used in java?

424

What is the difference between jar and executable jar?

466

How do you type the lambda symbol?

484

Is lambda expression an object?

489

program A and B are analysed and found to have worst case running time greater than 150NlogN and N*N respectively. which program has the better guarantee after the running time for the large values of N(N>10000)? which program has the better guarantee for the running time of small program N (N<100)? which program will run faster on average for N=1000?

1597

Java prints out a ton of digits when I system.out.println() a double. How can I format it so it displays only 3 digits after the decimal place?

461

How do I know if I have jre or jdk?

482

What is jdk for netbeans ide?

503

What is java net url?

445

Is eclipse a jdk?

495

What is a cookie in java?

513

How do you count in java?

501

What is the use of lambda functions?

491