What is the purpose of a class constructor?

Which will declare an array and initialize it with five numbers?

public interface Foo { int k = 4; /* Line 3 */ } Which three piece of codes are equivalent to line 3? 1, final int k = 4; public int k = 4; static int k = 4; abstract int k = 4; volatile int k = 4; protected int k = 4;

Which is true? (Choose all that apply) 1: public class UpWork { 2: 3: public void freelancer(boolean time) { 4: 5: if (time) { 6: 7: } 8: System.out.println(result); 9: 10: } 11: }

Output of the given program? public class Test96 { public static void main(String[] args) { int[] a = new int[2]; System.out.println(a.length); } }

Result of the code? public class Quest { int i=0; public static void main(String argv[]) { } Quest() { top: while(i <2) { System.out.println(i); i++; continue top; } } }

What is the purpose of EL(Expression Language) in Java Web Application?

Output of following program? class Upwork { public static void main(String args[]) { int x=100; double y=100.1; boolean b= (x=y); System.out.println(b); } } void