Predict the output of the following code snippet:

String P = "20", Q ="22"; 
int a = Integer.parseInt(P);
int b = Integer.valueOf(Q);
System.out.println(a + " " + b);

1. 20
2. 20 22
3. 2220
4. 22

The String class method to join two strings is:

1. concat(String)
2. <string>.joint(string)
3. concat(char)
4. Concat()

int x = (int)32.8; is an example of …………… typecasting.

1. implicit
2. automatic
3. explicit
4. coercion

The code obtained after compilation is known as:

1. source code
2. object code
3. machine code
4. java byte code