Which statement is true for below code:- String s1 = "UpWork"; String s2 = "UpWork"; StringBuilder sb1 = new StringBuilder(); sb1.append("Up").append("Work"); System.out.println(s1 == s2); System.out.println(s1.equals(s2)); System.out.println(sb1.toString() == s1); System.out.println(sb1.toString().equals(s1));

What will be the value of a? let a = -1 ? 'foo' ? null : -1 : 1;

Which snippet of code can be used to instantiate an object?

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 methods wait for the thread to terminate?

Output of the following program? Class Upwork{ Public static void main(string args[]) { Byte x = 64; Int I; Byte y; i = x << 2 y = (byte) (x << 2) system.out.print(I + '' + y); } }

Which type(s) cannot be used as generics?

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