Java 教程
Java 實例 - 壓棧出棧的方法實現(xiàn)字符串反轉(zhuǎn)
Java 實例以下實例演示了使用用戶自定義的方法 StringReverserThroughStack() 來實現(xiàn)字符串反轉(zhuǎn)：
StringReverserThroughStack.java 文件
import java.io.IOException;
public class StringReverserThroughStack {
private String input;
private String output;
public StringReverserThroughStack(String in) {
input = in;
}
public String doRev() {
int stackSize = input.length();
Stack theStack = new Stack(stackSize);
for (int i = 0; i < input.length(); i++) {
char ch = input.charAt(i);
theStack.push(ch);
}
output = "";
while (!theStack.isEmpty()) {
char ch = theStack.pop();
output = output + ch;
}
return output;
}
public static void main(String[] args)
throws IOException {
String input = "";
String output;
StringReverserThroughStack theReverser =
new StringReverserThroughStack(input);
output = theReverser.doRev();
System.out.println("反轉(zhuǎn)前： " + input);
System.out.println("反轉(zhuǎn)后： " + output);
}
class Stack {
private int maxSize;
private char[] stackArray;
private int top;
public Stack(int max) {
maxSize = max;
stackArray = new char[maxSize];
top = -1;
}
public void push(char j) {
stackArray[++top] = j;
}
public char pop() {
return stackArray[top--];
}
public char peek() {
return stackArray[top];
}
public boolean isEmpty() {
return (top == -1);
}
}
}
以上代碼運行輸出結(jié)果為：
反轉(zhuǎn)前： 反轉(zhuǎn)后： cc.loohcsc3w.www其他擴展