“,然后使用substring()方法获取位置从7到12的子字符串,即"World”。最终输出结果为"Substring from position 7 to 12: World"。 示例代码整合 为了更好地展示如何获取字符串指定字符位置,我们将上述两种方法整合到一个示例代码中: Stringstr="Hello, World!";charch=str.charAt(7);StringsubStr=str.substring(7...
在上面的示例中,我们首先定义了一个字符串str和一个目标字符target,然后通过indexOf方法找到目标字符在字符串中第一次出现的位置。接着,利用substring方法截取目标字符之前的子字符串,并输出结果。 流程图 下面是本文介绍的操作的流程图: YesNoStartTarget character exists?Find the position of target characterSubstri...
Input string: Hello, world, again! Position of last comma: 12 Position of last 'world': 7 The LastIndexOf() method is used to find the position of the last occurrence of a character and a substring in a string. This code section is similar to the previous one, but it uses the Last...
S. short 短整型 south 南方的 string 字符串 static 静态的 system 系统 seed 种子 seasonal 季节的 set 设置 super 超级 square 平方,二次方 sub 替代的 screen 屏幕 sound声音 state 状态 salary 薪水 sleep 睡觉 size 大小,尺寸 start 开始 sort 排序 status 状态 synchronize 同步发生 switch 开关 stream ...
1.String.substring()API TheString.substring()in Java returns a newStringthat is asubstring of the given stringthat begins fromstartIndexto an optionalendIndex. These indices determine the substring position within the original string. Thesubstring()method takes two arguments: ...
Learn to find the location of a character or substring in a given string and at what index position using the String.indexOf() with examples.
Using find() function to check if string contains substring in C++. We can use string::find() that can return the first occurrence of the substring in the string. It returns the index from the starting position and the default value for this function is 0. It returns -1 if the substrin...
int getNextMatch(String, int, javax.swing.text.Position.Bias) 给定起始索引,搜索列表中以指定字符串开头的项目并返回该索引(如果未找到字符串,则返回-1)。 第三个参数指定搜索方向,可以是Position.Bias.Forward或Position.Bias.Backward。 例如,如果您有一个包含 6 个项目的列表,getNextMatch("Matisse", 5,...
That is, how to find the index of nth occurrence of a character/string from a string? Example: "/folder1/folder2/folder3/". In this case, if I ask for 3rd occurrence of slash (/), it appears before folder3, and I expect to return this index position. My actual intention is to ...
Some operations advance this current position past the characters processed. A token is returned by taking a substring of the string that was used to create the StringTokenizer object. The following is one example of the use of the tokenizer. The code: <blockquote> text/java 复制 String...