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Test:Computer Science
Consider the following code:
public static int[] del(int[] a,int delIndex) {
if(delIndex < 0 || delIndex >= a.length) {
return null;
}
int[] ret = new int[a.length - 1];
for(int i = 0; i < a.length; i++) {
if(i != delIndex) {
ret[i] = a[i];
}
}
return ret;
}
1. | What is the error in the code above? |
You need to implement a swap for the values.
The intial conditional (i.e. the if statement) has incorrect logic.
The loop is infinite.
There is a null pointer exception.
The use of the array indexiis incorrect.
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