State the type of loop in the given program segment:

for (int i = 5; i != 0; i -= 2)
    System.out.println(i);

1. finite
2. infinite
3. null
4. fixed

Write a method prototype name check() which takes an integer argument and returns a char:

1. char check()
2. void check (int x)
3. check (int x)
4. char check (int x)

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()