Consider the following Jack class: class bob { function int foo(int a) { var int x; let x = a + x ; return x ; } } What sequence of virtual machine commands is used to initialise the local variable x? function bob.foo 1 push constant 0 pop local 0 O The programmer has forgotten to initialise x, no code is generated. push constant 0 pop X push constant 0 function foo 1

Computer Networking: A Top-Down Approach (7th Edition)
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ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
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Consider the following Jack class:
class bob
{
function int foo(int a)
{
var int x;
let x = a + x ;
return x ;
}
}
What sequence of virtual machine commands is used to initialise the local variable x?
function bob.foo 1
push constant 0
pop local 0
O The programmer has forgotten to initialise x, no code is generated.
push constant 0
pop
X
push constant 0
function foo 1
Transcribed Image Text:Consider the following Jack class: class bob { function int foo(int a) { var int x; let x = a + x ; return x ; } } What sequence of virtual machine commands is used to initialise the local variable x? function bob.foo 1 push constant 0 pop local 0 O The programmer has forgotten to initialise x, no code is generated. push constant 0 pop X push constant 0 function foo 1
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