this is the quesion teacher ask me in the class) ( Attention: for 4.15, DO NOT w

Question

this is the quesion teacher ask me in the class)

(Attention: for 4.15, DO NOT write the descriptions, I need your correction codes to replace the wrong codes. You can write your correction codes in a .doc or .txt file.)

4.15 Identify and correct the errors in each of the following pieces of code. [Note: There may be more than one error in each piece of code.]

a) if (age >= 65);
System.out.println( "Age is greater than or equal to 65)";
b)int x=1, total;
while ( x <= 10)
{
total += x;
++x;
}

c) while ( x<= 100)
total +=x;
++x;

d) while (y > 0)
{

System.out.println (y)
++y;

Explanation / Answer

The corrected codes are:

a)

if (age >= 65) //no semi colon

System.out.println( "Age is greater than or equal to 65");

----------------------------------------------------------------------

b)

int x = 1, total = 0; //Initialization required

while ( x <= 10)

{

total += x;

x = x + 1;

}
----------------------------------------------------------------------

c)

while ( x<= 100)

{ //parenthesis required

total += x;

x = x+1;

}

----------------------------------------------------------------------

d)

while (y > 0)

{

System.out.println (y)

y = y - 1; //subtracting else it will be an infinite loop

}

---------------------------------------------------------------------

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