Java Lesson 9

What will the following code segment print?

System.out.println(4 / 5);

What will the following code segment print?

System.out.println(4 * 2.0);

What will be the value in variable x after this code segment is executed?

String x = "" + 4 + 2;

• "6"

• "6.0"

• There will be a runtime error

• There will be a syntax error

• "42"

What will be the value in variable x after this code segment is executed?

int x = (int) 5.0 / 2;

• 2

• 2.5

• There will be a runtime error

• There will be a syntax error

• 3

What will be the value in variable x after this code segment is executed?

double x = (double) 5 / (int) 2

• 2

• 2.5

• There will be a runtime error

• There will be a syntax error

• 2.0

What will be the value in variable x after this code segment is executed?

double x = (double) 5 / (int) 2

• 2

• 2.5

• There will be a runtime error

• There will be a syntax error

• 2.0

What is the value of num?
double num = Math.sqrt(49);

• 7
• 7.0

What is the value of num?
double num = Math.abs(-1.28);

• 1.28
• -1.28
• 1.3
• 1.2

What is the value of num?
double num = Math.max(100, 200);

• 100.0
• 200.0
• 300.0
• 150.0

What is the value of num?
double num = Math.min(100,200);

• 100.0
• 200.0
• 150.0
• 300.0