Java Control Flow - Quiz

What will be the result? 
1.  int i = 10;
2.  while(i++ <= 10){
3.        i++;
4.  }
5.  System.out.print(i);

  • A 10
  • B 11
  • C 12
  • D 13

What is the printout of the following switch statement? 
char ch = 'a';  
switch (ch){
      case 'a':
      case 'A': System.out.print(ch); break;
      case 'b':
      case 'B': System.out.print(ch); break;
      case 'c':
      case 'C': System.out.print(ch); break;
      case 'd':
      case 'D': System.out.print(ch);
}

  • A abcd
  • B aa
  • C a
  • D ab

How many times will the following code print "Welcome to Examveda"? 
int count = 0;
do {
      System.out.println("Welcome to Examveda");
      count++;
} while (count < 10);

  • A 8
  • B 9
  • C 10
  • D 11

What will be the result of the following code? 
public class Test{
      static public void main(String args[]){ //line 2
            int i, j;
            for(i=0; i<3; i++){
                  for(j=1; j<4; j++){
                        i%=j;
			System.out.println(j);
		  }
	    }
      }
}

  • A 1 2 3 1
  • B 1 2 3 2
  • C Repeatedly print 1 2 3 and cause infinite loop.
  • D Compilation fails because of line 2

What will be the result of compiling and runnig the following code: 
public class Test{
      public static void main(String... args) throws Exception{
            Integer i = 34;
            int l = 34;
            if(i.equals(l)){
                  System.out.println("true");
            }else{
                  System.out.println("false");
            }
      }
}

  • A true
  • B false
  • C Compiler error
  • D None of these

Which option, inserted at line 4, produces the output 12? 
1. public class Test{
2.       public static void main(String [] args){
3.             int x = 0;
4.             // insert code here
5.             do{ } while(x++ < y);
6.             System.out.println(x);
7.       }
8. }

  • A int y = x;
  • B int y = 10;
  • C int y = 11;
  • D int y = 12;

Determine output: 
public class Test{
        public static void main(String args[]){
                int i, j;
                for(i=1, j=0;i<10;i++) j += i;
                System.out.println(i);
        }
}

  • A 10
  • B 11
  • C 9
  • D 20

Determine output: 
public class Test{
        public static void main(String args[]){
                int i; 
                for(i = 1; i < 6; i++){ 
                        if(i > 3) continue ; 
                }
                System.out.println(i); 
        }
}

  • A 2
  • B 3
  • C 4
  • D 6

What will be the output? 
public class Test{
        public static void main(String[] args){
                int x=10, y=0;
                if(x && y){
                        System.out.print("TRUE");
                }
                else{
                        System.out.print("FALSE");
                }
        }
}

  • A FALSE
  • B TRUE
  • C Compilation Error
  • D Runtime Error