java特性

import static java.util.Arrays.*;

public class Example {

    public static void main(String[] args) {
        int[] target = new int[]{5,4,7};
        sort(target);
        
        for (int i = 0; i < target.length; i++) {
            System.out.println(target[i]);
        }
    }

}

public class Example2 {
    
    public static void speak(String speaker, String... words){
        for (int i = 0; i < words.length; i++) {
            System.out.println(speaker+":"+words[i]);
        }
    }
    
    public static void main(String[] args) {
        String sentence = "I am a slow walker , but I never walk backwards .";        
        speak("Lincoln", sentence.split(","));
    }
}