从字符串中替换所有换行符的Java程序

换行符 (“\n”) 是单个字符，可以使用 replace()函数替换字符串中的所有换行符。

String replace()：返回一个新的 String 对象，该对象包含与原始字符串相同的字符序列，但给定的字符被另一个给定的字符替换。

句法：

public String replace(char old,char new)

参数：

• 旧：旧字符
• 新：新字符

返回值：通过用新字符替换旧字符返回字符串

Java

// Java Program to Replace All Line Breaks from Strings
public class remove {
    public static void main(String[] args)
    {
        String s = "Replace\n"
                   + " all\n"
                   + " line\n"
                   + " breaks\n"
                   + " from\n"
                   + " strings";
        
        System.out.println(
            "Original String with line breaks:" + s);
        
        // replacing line breaks from string
        s = s.replace("\n", "");
        
        System.out.println(
            "String after replacing line breaks:" + s);
    }
}

输出

Original String with line breaks:Replace
 all
 line
 breaks
 from
 strings
String after replacing line breaks:Replace all line breaks from strings