2. Repeat string using regex [till Java 10] If you are working on JDK <= 10, then you may consider using regex to repeat a string N times. Java program to repeat string ‘Abc’ to 3 times. public class Main { public static void main(String[] args) { String str = "Abc"; St...
String repeated = new String(new char[3]).replace("\0", str); System.out.println(repeated); } } 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 程序输出。 AbcAbcAbc 1. StringUtils类 如果不是正则表达式,则可以使用StringUtils类及其方法repeat(times)。 import org.apache.commons.lang3.StringU...
publicstaticvoidmain(String[] args) { String str ="Abc"; String repeated =newString(newchar[3]).replace("\0", str); System.out.println(repeated); } } 程序输出。 Console 1 AbcAbcAbc StringUtils类 如果不是正则表达式,则可以使用StringUtils类及其方法repeat(times)。 StringUtils 1 2 3 4 5 6...
程序: importjava.util.Collections;publicclassTest {publicstaticvoidmain(String[] args) { System.out.println(createRepeatedStr("***",3)); }//Repeat seed with n timesprivatestaticString createRepeatedStr(String seed,intn) {returnString.join("", Collections.nCopies(n, seed)); } } 1. 2. 3...
repeat 方法的作用就是重复一个字符串 N 遍,可以用来代替工具类:org.apache.commons.lang3.StringUtils#repeat(java.lang.String, int),来看下repeat的源码。 public String repeat(int count) { if (count < 0) { throw new IllegalArgumentException("count is negative: " + count); ...
Returns a string whose value is the concatenation of this string repeatedcounttimes. If this string is empty or count is zero then the empty string is returned. Added in 11. Java documentation forjava.lang.String.repeat(int). Portions of this page are modifications based on work created and...
Stringrepeat(int count) Returns a string whose value is the concatenation of this string repeated count times. Stringreplace(char oldChar, char newChar) Returns a string resulting from replacing all occurrences of oldChar in this string with newChar. Stringreplace(CharSequence target, ...
每行由/r或/n或/r/n定义。例如，参见清单5。strip()、stripLeading()、stripTrailing()：分别从开头和结尾、仅开头和仅结尾删除空格。repeat(in ttimes)：返回一个字符串，该字符串采用原始字符串并重复指定的次数。readString()：允许从文件路径直接读取字符串，如清单6所示。writeString(Path path)：将字符串...
repeat(int times):返回一个字符串,该字符串采用原始字符串并按指定的次数重复该字符串 readString:允许从文件路径直接读取到字符串 writeString(Path path):将字符串直接写入指定路径处的文件 indent(int level):缩进字符串的指定量。负值只会影响前导空格 ...
repeat(int times):返回一个字符串,该字符串采用原始字符串并按指定的次数重复该字符串。 readString():允许从文件路径直接读取到字符串。 writeString(Path path):将字符串直接写入指定路径处的文件。 indent(int level):缩进字符串的指定量。负值只会影响前导空格。 transform(Function f):将给定的 lambda 应用...