譬如下述程序行,开头都标有数字,如何用编辑软件把行号去除呢,多谢 1. import java.util.*;
2.
3. public class EqualsTest
4. {
5. public static void main(String[] args)
6. {
7. Employee alice1 = new Employee("Alice Adams", 75000, 1987, 12, 15);
8. Employee alice2 = alice1;
9. Employee alice3 = new Employee("Alice Adams", 75000, 1987, 12, 15);
10. Employee bob = new Employee("Bob Brandson", 50000, 1989, 10, 1);
11.
12. System.out.println("alice1 == alice2: " + (alice1 == alice2));
13.
14. System.out.println("alice1 == alice3: " + (alice1 == alice3));
15.
16. System.out.println("alice1.equals(alice3): " + alice1.equals(alice3));
17.
18. System.out.println("alice1.equals(bob): " + alice1.equals(bob));
19.
20. System.out.println("bob.toString(): " + bob);
21.
22. Manager carl = new Manager("Carl Cracker", 80000, 1987, 12, 15);
23. Manager boss = new Manager("Carl Cracker", 80000, 1987, 12, 15);
24. boss.setBonus(5000);
25. System.out.println("boss.toString(): " + boss);
26. System.out.println("carl.equals(boss): " + carl.equals(boss));
27. System.out.println("alice1.hashCode(): " + alice1.hashCode());
28. System.out.println("alice3.hashCode(): " + alice3.hashCode());
29. System.out.println("bob.hashCode(): " + bob.hashCode());
30. System.out.println("carl.hashCode(): " + carl.hashCode());
31. }
32. }
2.
3. public class EqualsTest
4. {
5. public static void main(String[] args)
6. {
7. Employee alice1 = new Employee("Alice Adams", 75000, 1987, 12, 15);
8. Employee alice2 = alice1;
9. Employee alice3 = new Employee("Alice Adams", 75000, 1987, 12, 15);
10. Employee bob = new Employee("Bob Brandson", 50000, 1989, 10, 1);
11.
12. System.out.println("alice1 == alice2: " + (alice1 == alice2));
13.
14. System.out.println("alice1 == alice3: " + (alice1 == alice3));
15.
16. System.out.println("alice1.equals(alice3): " + alice1.equals(alice3));
17.
18. System.out.println("alice1.equals(bob): " + alice1.equals(bob));
19.
20. System.out.println("bob.toString(): " + bob);
21.
22. Manager carl = new Manager("Carl Cracker", 80000, 1987, 12, 15);
23. Manager boss = new Manager("Carl Cracker", 80000, 1987, 12, 15);
24. boss.setBonus(5000);
25. System.out.println("boss.toString(): " + boss);
26. System.out.println("carl.equals(boss): " + carl.equals(boss));
27. System.out.println("alice1.hashCode(): " + alice1.hashCode());
28. System.out.println("alice3.hashCode(): " + alice3.hashCode());
29. System.out.println("bob.hashCode(): " + bob.hashCode());
30. System.out.println("carl.hashCode(): " + carl.hashCode());
31. }
32. }
查找:[1-9+]\.
替换:""
替换为空
{
String str=readLine();
str=str.substring(str.indexOf('.')+1);//将.之前的都删除
println(str);
}