Java数组转字符串、字符串转数组
1、在pom.xml中添加依赖包
<dependency>
<groupId>org.apache.commons</groupId>
<artifactId>commons-lang3</artifactId>
<version>3.9</version>
</dependency>
2、创建测试类(TestArray1.java)
package com.jeff;
import java.util.Arrays;
import org.apache.commons.lang3.StringUtils;
public class TestArray1 {
public static void main(String[] args) {
arrToString();
stringToArr();
}
private static void arrToString() {
String[] arr = { "0", "1", "2", "3", "4", "5" };
String str4 = StringUtils.join(arr, ","); // 数组转字符串(逗号分隔)
System.out.println("数组转字符串:");
System.out.println(str4);
}
private static void stringToArr() {
String str = "0,1,2,3,4,5";
String[] arr = str.split(","); // 字符串转数组
System.out.println("字符串转数组:");
System.out.println(Arrays.toString(arr));
}
}
3、控制台输出结果
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