@echo off

SET MY_CLASS_PATH=.;C:\ 1 \lib\yug_test_jar1.jar;C:\ 1 \lib\yug_test_jar2.jar

echo -------yug_test_jar1.jar
call java -cp %MY_CLASS_PATH% -jar C:\ 1 \lib\yug_test_jar1.jar

echo -------yug_test_jar2.jar
call java -cp %MY_CLASS_PATH% -jar C:\ 1 \lib\yug_test_jar2.jar

     public   static   void  test() {
        System.out.println("TestJAR1");
    }
    
     public   static   void  main(String[] args) {
        test();
    }

     public   static   void  test() {
        System.out.println("TestJAR2");
    }
    
     public   static   void  main(String[] args) {
        test();
        TestJAR1.test();
    }