* is used to check SubString * @author */ public class StringContainsExample { public static void main(String args[]) { String word = "Hello World"; //indexOf return -1 if String does not contain a specified word if(word.indexOf("World") != -1){ System.err.printf("Yes '%s' c...
publicclassStringContainsExample{publicstaticvoidmain(String[]args){Stringtext="Hello, welcome to the world of Java programming!";charcharacterToCheck='w';// 检查字符是否包含在字符串中booleancontainsCharacter=text.contains(String.valueOf(characterToCheck));// 输出结果if(containsCharacter){System.out....
4.2 Searching with case-insensitive string 5. Using awk 6. Using sed with grep Command 7. Conclusion 1. Overview In this article, we will see how to check if output contains String in Bash using grep, Conditional Expressions, awk, sed commands with various options. 2. Introduction to Proble...
importjava.util.regex.Matcher;importjava.util.regex.Pattern;publicclassMain{publicstaticvoidmain(String[]args){Stringtext="Hello, world!";Stringregex="world";Patternpattern=Pattern.compile(regex);Matchermatcher=pattern.matcher(text);if(matcher.find()){System.out.println("The text contains the regex...
enum choices {a1, a2, b1, b2}; 方法一: public static boolean contains(String test) { f...
CompareTo(String) 比較兩個字串語彙。 CompareToIgnoreCase(String) 比較兩個字串語彙,忽略大小寫差異。 Concat(String) 將指定的字串串連至這個字串的結尾。 Contains(ICharSequence) 只有在這個字串包含指定的char值序列時,才會傳回 true。 Contains(String) 只有在這個字串包含指定的char值序列時,才會傳回 tr...
TheisEmpty()method returnstrueorfalsedepending on whether or not our string contains any text. It's easily chainable with astring == nullcheck, and can even differentiate betweenblankandemptystrings: String string ="Hello there";if(string ==null|| string.isEmpty() || string.trim().isEmpty...
// Java Program to Check Whether String contains Special // Characters Using Character Class // Importing input output classes import java.io.*; // Main class class GFG { // Method 1 // Main driver method public static void main(String[] args) { // Declaring and initializing count for ...
}elseif(dataType == String.class) {returnrelation == Text.CONTAINS; }returnfalse; } 开发者ID:apache,项目名称:incubator-blur,代码行数:13,代码来源:BlurIndex.java 注:本文中的com.thinkaurelius.titan.core.attribute.Text.CONTAINS属性示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片...
Assert.hasLength(String text,"text must be specified")-字符不为null且字符长度不为0Assert.hasText(String text,"text must not be empty")-text 不为null且必须至少包含一个非空格的字符 Assert.isInstanceOf(Class clazz,Object obj,"clazz must be of type [clazz]")-obj必须能被正确造型成为clazz 指定...