码酱

把字符串中的“$”转换成“，” ```java` @Test public void test(){ String str = “HelloWorldWorldWorldAAbb”; String[] split = str.split("\$"); for (String s : split) { System.out.print(s+","); } } `` ...

输入1-999之间的整数，输出每位数的和，例如923得14 public class Test03 { @Test public void test2(){ int i = 932; System.out.println(i/100); //取百位 System.out.println(i/10%10); //取十位 ...