B4 - The for Statement

What are the three general types of looping structures?

• counting loop, sentinel-controlled loop, and result-controlled loop.

• infinite loop, counting loop, nested loop

• while loop, for loop, do loop

• count up loop, count down loop, infinite loop

What is the output of the following program fragment?

int j;

for ( j = 0; j < 5; j++ )

{

System.out.print( j + " " );

}

System.out.println( );

• 1 2 3 4 5

• 0 1 2 3 4

• 0 1 2 3 4 5

• j j j j j

What is the output of the following code fragment?

int j;

for ( j = 10; j > 5; j-- )

{

System.out.print( j + " " );

}

System.out.println( );

• 10 11 12 13 14 15

• 9 8 7 6 5 4 3 2 1 0

• 10 9 8 7 6 5

• 10 9 8 7 6

What must the test be so that the following fragment prints out the integers 5 through and including 15?

int j;

for ( j = 5; ________ ; j++ )

{

System.out.print( j + " " );

}

System.out.println( );

• j<15

• j<=16

• j<16

• j==15

What must the change be so that the following fragment prints out the even integers 0 2 4 6 8 10?

int j;

for ( j = 0; j <= 10; _______ )

System.out.print( j + " " );

System.out.println( );

• j+2

• j = j+2

• j++++

• ++j++

What must the initialization be so that the following fragment prints out the integers -3 -2 -1 ?

int j;

for ( _______ ; j < 0; j++ )

System.out.print( j + " " );

System.out.println( );

• j = 0

• j < 0

• j = -3

• j = -4

What is the output of the following code fragment?

int j;

for ( j = 5; j > -5; j-- )

System.out.print( j + " " );

System.out.println( );

• -5 -4 -3 -2 -1 0

• 5 4 3 2 1 0

• 5 4 3 2 1 0 -1 -2 -3 -4 -5

• 5 4 3 2 1 0 -1 -2 -3 -4

What is the output of the following code fragment?

int count = 0;

for ( ; count < 9; ++count )

System.out.print( count + " " );

System.out.println( );

• 0 1 2 3 4 5 6 7 8

• Nothing — the fragment will not compile.

• 0 1 2 3 4 5 6 7

• 1 2 3 4 5 6 7 8 9

What is the output of the following code fragment?

int count;

for ( count = 0; count < 9; )

{

System.out.print( count + " " );

count++ ;

}

System.out.println( );

• 0 1 2 3 4 5 6 7 8

• Nothing — the program will not compile.

• count count count count count count count count count

• 0 1 2 3 4 5 6 7 8 9

What is the output of the following code fragment?

int j;

for ( j = 0; j < 5; )

{

System.out.print( j + " " );

j++ ;

}

System.out.println( );

• 0 1 2 3 4

• Nothing — the program will not compile.

• 1 2 3 4 5

• 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ...