Questions

Answer the following questions to test your knowledge of this chapter:

1. Which bytecode instruction is used to compare if two integers are equal and branch accordingly?
   1. ifeq
   2. if_icmpeq
   3. if_acmpeq
   4. tableswitch
2. What does the bytecode instruction ifeq do?
   1. Branches if the top value on the stack is equal to 0
   2. Branches if two integers on the stack are equal
   3. Jumps to a subroutine
   4. Loads an integer from an array
3. Which bytecode instruction is used for unconditional branching?
   1. goto
   2. ifne
   3. jsr_w
   4. lookupswitch
4. In Java bytecode, what does the jsr instruction do?
   1. Jumps to a subroutine
   2. Calls a static method
   3. Compares two doubles
   4. Branches if the top value on the stack is null
5. Which bytecode instruction is used to check if two object references are not equal and branches to the target instruction?
   1. if_acmpeq
   2. if_acmpne
   3. ifnull
   4. goto_w