静态导入

package net.wjn.day1;
import  static java.lang.Math.*;

public class StaticImport {  
    
    public static void main(String[] args) {
        int x=1;
        x++;
         System.out.println(x);
         
        System.out.println( max(3,6));//求最大
        System.out.println( abs(9-6));//两数相减
    }
    
}
    

package net.wjn.day1;
import  static java.lang.Math.*;

public class StaticImport {  
    
    public static void main(String[] args) {
        int x=1;
        x++;
         System.out.println(x);
          
                     Math.max(10, 5);
        System.out.println( max(3,6));//求最大
        System.out.println( abs(9-6));//两数相减
    }
    
}