Java Programming Concepts Challenge

What is the output of the following code? for(int i=0; i<3; i++) { System.out.print(i); } A) 012 B) 123 C) 0 D) 321

• 0123

• 23

• 01

• A) 012

What will be the output of this nested loop? for(int i=1; i<=2; i++) { for(int j=1; j<=2; j++) { System.out.print(i*j); } } A) 12 B) 1234 C) 111222 D) 1

• 1111

• 123

• B) 1234

• 22

What is the output of the following code snippet? int[] arr = {1, 2, 3, 4}; for(int i=0; i

• 123 4

• A) 1234

• 12 34

• 1, 2, 3, 4

What will be printed by the following code? for(int i=0; i<5; i++) { if(i == 3) break; System.out.print(i); } A) 012 B) 0123 C) 01234 D) 1234

• 123

• 0125

• A) 012

• 34

What is the output of this code? int sum = 0; for(int i=1; i<=5; i++) { sum += i; } System.out.print(sum); A) 10 B) 15 C) 20 D) 5

• C) 20

• A) 10

• D) 5

• B) 15

What will be the output of the following code? int[][] matrix = {{1, 2}, {3, 4}}; for(int i=0; i

• 12 34

• A) 1234

• 1 4 2 3

• 34 12

What is the output of this code? for(int i=1; i<=3; i++) { for(int j=1; j<=i; j++) { System.out.print(j); } } A) 123 B) 123123 C) 123 D) 1 12 123

• B) 123123

• 12312

• 1234

• 1 2 3

What will be the output of the following code? int[] nums = {5, 10, 15}; for(int num : nums) { System.out.print(num + " "); } A) 5 10 15 B) 15 10 5 C) 10 5 15 D) 5 15 10

• 10 15 5

• A) 5 10 15

• 15 5 10

• 5 10

What is the output of this code? for(int i=0; i<3; i++) { for(int j=0; j<3; j++) { if(i == j) continue; System.out.print(i + j); } } A) 0 1 2 B) 1 2 3 C) 012 D) 123

• B) 0 2 4

• A) 1 2 3

• D) 0 1 2

• C) 012

What will be printed by the following code? int count = 0; for(int i=0; i<5; i++) { for(int j=0; j<5; j++) { count++; } } System.out.print(count); A) 5 B) 10 C) 25 D) 20

• C) 25

• 15

• 30

• 5