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queue wrapping bug fixes
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This commit is contained in:
Kruti Shah 2025-02-13 22:48:38 +05:30
parent 026b6c1d09
commit e24ed7cf50
1 changed files with 6 additions and 5 deletions
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11
module4/src/main/java/com/hithomelabs/princeton1/module4/ArrayQueue.java
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@ -6,7 +6,7 @@ import javax.annotation.Nonnull;
public class ArrayQueue<E> extends Queue<E>{
private E[] queueArray = (E[]) new Object[1];
private E[] queueArray = (E[]) new Object[5];
private int startPtr;
private int endPtr;
private int size;
@ -50,8 +50,9 @@ public class ArrayQueue<E> extends Queue<E>{
int oldArraySize = tempArray.length;
queueArray = (E[]) new Object[targetSize];
int j = 0;
for(int i=startPtr; i<endPtr; i++)
queueArray[j++]=tempArray[i];
for(int i=0; i<size; i++)
queueArray[j++]=tempArray[(startPtr+i)%oldArraySize];
endPtr = size();
startPtr = 0;
queueArrayLength = queueArray.length;
@ -69,12 +70,12 @@ public class ArrayQueue<E> extends Queue<E>{
@Override
public boolean hasNext() {
return iteratorIndex<endPtr;
return iteratorIndex % queueArrayLength < endPtr % queueArrayLength;
}
@Override
public E next() {
return queueArray[iteratorIndex++];
return queueArray[iteratorIndex++ % queueArrayLength];
}
}
}