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Order.java
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67 lines (45 loc) Β· 1.25 KB
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package basic.algorithm;
public class Order extends AbstractTreeAlogorithm {
public static void main(String[] args){
printAsBinaryTree();
System.out.print("preOrder : ");
preOrder(0);
System.out.print("\ninOrder : ");
inOrder(0);
System.out.print("\npostOrder : ");
postOrder(0);
}
private static void preOrder(int index){
int left = index *2+1;
int right = index*2+2;
System.out.print(field[index]+" -> ");
if(left < field.length){
preOrder(left);
}
if(right < field.length){
preOrder(right);
}
}
private static void inOrder(int index){
int left = index *2+1;
int right = index*2+2;
if(left < field.length){
inOrder(left);
}
System.out.print(field[index]+" -> ");
if(right < field.length){
inOrder(right);
}
}
private static void postOrder(int index){
int left = index *2+1;
int right = index*2+2;
if(left < field.length){
postOrder(left);
}
if(right < field.length){
postOrder(right);
}
System.out.print(field[index]+" -> ");
}
}