Java String trim()方法示例。
String类的trim()方法返回字符串的副本，并省略前导和尾随空格。
示例
import java.lang.*;
public class StringDemo {
public static void main(String[] args) {
//带有前后空格的字符串
String str = " This is nhooo ";
System.out.print("Before trim = ");
System.out.println(".." + str + "..");
//删除前导和尾随空白
System.out.print("After trim = ");
System.out.println(".." + str.trim() + "..");
}
}输出结果
Before trim = .. This is nhooo .. After trim = ..This is nhooo..