Java

Question 1

Which method used to start Java?

Answer 1

main

Question 2

Which method is use to not returned values?

Answer 2

void

Question 3

Which method is use to run without a class that include the method main?

Answer 3

static

Question 4

How do we print “I love programming” in java?

Answer 4

class MyClass {
  public static void main(String[ ] args) {
    System.out.println("I love programming");
  }
}

Question 5

What the difference between a multi-line comment and documentation comment?

Answer 5

They generate external documentation of your source code and the symbol. Multi-line comments are /* */ and documentation comment are /** */.

Question 6

What are the variables?

Answer 6

int, float, long, double, boolean, short, byte, and char.

Question 7

int[ ][ ] sample = { {9,18,5}, {8, 7, 11} };
int x = sample[1][1];
System.out.println(x);
What the output?

Answer 7

7

Question 8

int[ ][ ] sample = { {37,25,43}, {62,71} {64, 92, 88} };
int x = sample[2][1];
System.out.println(x);
What the output?

Answer 8

92

Question 9

int x = 10;
if(x < 99) {
   System.out.println("Hi");
} else(x>99) {
   System.out.println("Welcome!");
}
What would the system print out?

Answer 9

Welcome

Question 10

for(int x=0; x<=100; x=x+10) {
System.out.println(x);
What numbers would the system print out?

Answer 10

0, 10, 20, 30, 40, 50, 60, 70, 80, 90, 100