tostringdemo.java

来自「有关java学习技巧的课件」· Java 代码 · 共 10 行

public class ToStringDemo {
    public static void main(String[] args) {
        StringBuilder builder = new StringBuilder();

        for(int i = 0; i < 10; i++)
            builder.append(i);

        System.out.println(builder.toString());
    }
}