Question

What will be the output of the following Java program code?


for(int a=1;a<=10;a++);
System.out.print (a+'') ;

a) 123..10
b) 10
c) 11
d) Compilation Error​

Answer 1

Answer:

The correct answer is option (a)

Explanation:

123..10

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Answer 2

Answer:

class MainClass

{

public static void main(String arg[])

{

int arr[][]={{4,3},{2,1}};

int i,j;

for(i=1;i>-1;i--)

{

for(j=1;j>-1;j--)

{

System.out.print(arr[i][j]);

}

}

}

}

Explanation:

step : 1

A 2 dimensional array is initialiized

step : 2

nested for loop is used to print values of array

step : 3

print function is used to print the value,first value is arr[1] [1] as we can see that in this 2 dimensional array value of arr[1]={2 ,1 }; that's why value of arr[1][1]= 1 similarly value of are[1] [0] = 2 ; arr[0] [1] =3 and value of arr[0] [0] = 4 ;

hence the resultant output of this program will be "1234".