Contains(String) 只有在這個字串包含指定的char值序列時,才會傳回 true。 ContentEquals(ICharSequence) 將此字串與指定的 CharSequence比較。 ContentEquals(String) 將此字串與指定的 CharSequence比較。 ContentEquals(StringBuffer) 將此字串與指定的 StringBuffer比較。 CopyValueOf(Char[]) 相當於 #valueOf(cha...
Compares two strings lexicographically, ignoring case differences. String concat(String str) Concatenates the specified string to the end of this string. boolean contains(CharSequence s) Returns true if and only if this string contains the specified sequence of char values. boolean contentEquals(Cha...
System.out.println("valueOf(char[] c):" + str21.valueOf(char1)); // 47、contains(CharSequence chars) ,判断是否包含指定的字符系列。 System.out.println("contains:" + str18.contains("oo")); // 48、isEmpty() ,判断字符串是否为空。注意只有""才是空,null不是 System.out.println("isEmp...
3)regionMatches(boolean b, int firstStart, String other, int otherStart, int length)//从当前字符串的firstStart位置开始比较,取长度为length的一个子字符串,other字符串从otherStart位置开始,指定另外一个长度为length的字符串,两字符串比较,当b为true时字符串不区分大小写。 4)contains(Stringstr)//判断参数...
10、boolean contains (String s):该方法判断参数s是否被包含在字符串中,即字符串s是否为原字符串的子串,然后返回一个boolean类型的值。 11、Stringp[] split(String str):该方法将str作为分隔符进行字符串分解,分解后的字字符串在字符串数组中返回。
Stringlower="equals ignore case";StringUPPER="EQUALS IGNORE CASE"; assertThat(lower.equalsIgnoreCase(UPPER)).isTrue(); 3. Using Apache Commons Lang TheApache Commons Langlibrary contains a class calledStringUtilsthat provides a method similar to the method above, but it has the added benefit of ...
Compares two strings lexicographically, ignoring case differences. String concat(String str) Concatenates the specified string to the end of this string. boolean contains(CharSequence s) Returns true if and only if this string contains the specified sequence of char values. boolean contentEquals(Cha...
Compares two strings lexicographically, ignoring case differences. String concat ( String str) Concatenates the specified string to the end of this string. boolean contains ( String Returns true if and only if this string contains the specified string. boolean contentEquals ( StringBuffer sb) Retu...
If the string is not found,containsreturnsfalse: Assert.assertFalse("Hey Ho, let's go".contains("jey"));Copy In the last example, “hey” is not found becauseString.containsis case-sensitive. Assert.assertFalse("Hey Ho, let's go".contains("hey")); ...
$ java Main.java class java.lang.String class java.lang.Object The string is not empty The string has 4 characters Our string object is an instance of theStringclass. It has theObjectparent class. The object is not empty and it contains four characters. ...