您最多选择25个主题 主题必须以字母或数字开头,可以包含连字符 (-),并且长度不得超过35个字符

AutoboxingJ.java 524B

12345678910111213141516
  1. public class AutoboxingJ {
  2. public static void method_takes_Long(Long i) { System.err.println("method_takes_Long="+i);}
  3. public static void method_takes_long(long i) { System.err.println("method_takes_long="+i);}
  4. public static void main(String[] argv) {
  5. Long one = new Long(1000000);
  6. long two = 2000000;
  7. Long three = new Long(3000000);
  8. long four = 4000000;
  9. method_takes_Long(one);
  10. method_takes_Long(two);
  11. method_takes_long(three);
  12. method_takes_long(four);
  13. }
  14. }