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Copy pathStackClone.java
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61 lines (50 loc) · 1.1 KB
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packageCC;
publicclassStackClone<T> {
privateT[] stackarray;
privateinttop = -1;
privateintsize;
@SuppressWarnings("unchecked")
publicStackClone(intsize) {
stackarray = (T[])newObject[size];
this.size = size;
}
publicvoidpush(Tinput) {
if(top >= size) return;
stackarray[++top] = input;
}
publicbooleanisEmpty() {
if(top == -1) returntrue;
returnfalse;
}
publicTpop() {
if(isEmpty()) returnnull;
Tsave = stackarray[top];
stackarray[top--] = null;
returnsave;
}
publicTtop() {
if(isEmpty()) returnnull;
returnstackarray[top];
}
publicintsize() {
returntop+1;
}
publicStackClone<T> clone(){
StackClone<T> clone = newStackClone<T>(size);
for(inti=0; i<=top; i++) {
clone.push(stackarray[i]);
}
returnclone;
}
publicstaticvoidmain(String[] args) {
StackClone<Integer> cloned = newStackClone<>(10);
for(inti=0; i<10; i++) {
cloned.push(i+1);
}
StackClone<Integer> clone = cloned.clone();
for(inti=0; i<10; i++) {
System.out.println("clone: "+clone.pop());
}
System.out.println(cloned.isEmpty());
}
}