摘要:
```java / 字符串拼接 / public class StringAddDemo { public static void main(String[] args){ testStringAdd(); testConcat(); testStringBuilder(); testStringB 阅读全文
posted @ 2019-08-12 16:08
fly_bk
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摘要:
```java public class CharAtStartWithDemo { public static void main(String[] args){ //jdk8 testCharAt();//1 testStartWith();//4 } public static void te 阅读全文
posted @ 2019-08-12 15:27
fly_bk
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摘要:
```java import java.util.StringTokenizer; public class SplitDemo { //jdk8 public static void main(String[] args){ String s = "a,b,c"; String[] split = 阅读全文
posted @ 2019-08-12 15:26
fly_bk
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