java important input output problems

Question 01

What is the output of the following:

System.out.println("1" + 1);

System.out.println('1' + 1);

System.out.println("1" + 1 + 1);

System.out.println("1" + (1 + 1));

System.out.println('1' + 1 + 1);

Output

Output is 11

                  50

                   111

                    12

                   51

Question 02

What is the output of the following:

System.out.println("1" + 1+3);

System.out.println('1' + 1*3);

System.out.println("1" + 1 *4+4+ 1);

System.out.println("1" + 4+(1 + 1));

System.out.println('1' + (1+3) + 1);

 }

Output

Output is

113

52

1441

142

54