Java Programming - Flow Control

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Exercise

General Questions
Finding the output

"Nothing is impossible to a willing heart."

- (Proverb)

public void foo( boolean a, boolean b)
{ 
    if( a ) 
    {
        System.out.println("A"); /* Line 5 */
    } 
    else if(a && b) /* Line 7 */
    { 
        System.out.println( "A && B"); 
    } 
    else /* Line 11 */
    { 
        if ( !b ) 
        {
            System.out.println( "notB") ;
        } 
        else 
        {
            System.out.println( "ELSE" ) ; 
        } 
    } 
}

A.	If a is true and b is true then the output is "A && B"
B.	If a is true and b is false then the output is "notB"
C.	If a is false and b is true then the output is "ELSE"
D.	If a is false and b is false then the output is "ELSE"

switch(x) 
{ 
    default:  
        System.out.println("Hello"); 
}

Which two are acceptable types for x?

byte
long
char
float
Short
Long

A.	1 and 3	B.	2 and 4
C.	3 and 5	D.	4 and 6

public void test(int x) 
{ 
    int odd = 1; 
    if(odd) /* Line 4 */
    {
        System.out.println("odd"); 
    } 
    else 
    {
        System.out.println("even"); 
    } 
}

Which statement is true?

A.	Compilation fails.
B.	"odd" will always be output.
C.	"even" will always be output.
D.	"odd" will be output for odd values of x, and "even" for even values.

public class While 
{
    public void loop() 
    {
        int x= 0;
        while ( 1 ) /* Line 6 */
        {
            System.out.print("x plus one is " + (x + 1)); /* Line 8 */
        }
    }
}

Which statement is true?

A.	There is a syntax error on line 1.
B.	There are syntax errors on lines 1 and 6.
C.	There are syntax errors on lines 1, 6, and 8.
D.	There is a syntax error on line 6.

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