";Stringchars="abc";if(containsAnyChar(target,chars)){System.out.println("The target string contains any one of the characters in the chars string.");}else{System.out.println("The target string does not contain any of the characters in the chars string.");}}} 1. 2. 3. 4. 5. 6....
Java String contains() 方法 Java String类 contains() 方法用于判断字符串中是否包含指定的字符或字符串。 语法 public boolean contains(CharSequence chars) 参数 chars -- 要判断的字符或字符串。 返回值 如果包含指定的字符或字符串返回 true,否则返回 f
publicbooleancontains(CharSequence chars) 参数 chars-- 要判断的字符或字符串。 返回值 如果包含指定的字符或字符串返回 true,否则返回 false。 示例 publicclassMain{publicstaticvoidmain(String[] args){ String myStr ="Jiyik"; System.out.println(myStr.contains("Ji")); System.out.println(myStr.conta...
int indexOf(int ch): It returns the index within this string of the first occurrence of the specified character. int indexOf(int ch):它返回指定字符首次出现在此字符串中的索引。 int indexOf(String str, int fromIndex): It returns the index within this string of the first occurrence of the ...
String类 在Java中String类的使用的频率可谓相当高。它是Java语言中的核心类,在java.lang包下,主要用于字符串的比较、查找、拼接等等操作。如果要深入理解一个类,最好的方法就是看看源码: public final class String implements java.io.Serializable, Comparable<String>, CharSequence { /** The value is used ...
(str1);String result2=extractCharacter(str2);String result3=extractCharacter(str3);assertEquals(result1.length(),1);assertEquals(result2.length(),1);assertEquals(result3.length(),1);assertThat(str1,containsString(result1));assertThat(str2,containsString(result2));assertThat(str3,containsString(...
public String(char value[], int offset, int count) { //起始值为0直接报异常 if (offset < 0) { throw new StringIndexOutOfBoundsException(offset); } //截取长度小于等于0时 if (count <= 0) { //如果count小于0直接报异常 if (count < 0) { ...
contains(Modifier.PUBLIC) && !enclosed.getModifiers() .contains(Modifier.STATIC)) { interfaceMethods.add(enclosed); } } if(interfaceMethods.size() > 0) writeInterfaceFile(interfaceName); } return false; } private void writeInterfaceFile(String interfaceName) { try( Writer writer = processingEnv...
}intlen =value.length;charbuf[] = Arrays.copyOf(value, len +otherLen); str.getChars(buf, len);returnnewString(buf,true); }/**将oldChar字符替换为newChar字符*/publicString replace(charoldChar,charnewChar) {if(oldChar !=newChar) {intlen =value.length;inti = -1;char[] val = value...
0 - This is a modal window. No compatible source was found for this media. argsstr1outstr1str2outstr2booleanbool=str1.contains(str2);System.out.println("The contains() method return: "+bool);if(bool){System.out.println("The given string contains the spcified char sequence");}else{Sy...