class TestClass{ public static void main (String[] args){ String str = "Halo World!"; System.out.print("The length of the String is :" + str.length() ); } } Output: The length of the String is :11 By invoking the length() method on a String object, you can obtain the exact...
for(int i = 0;i < charArray.length; i ++){ //小写变为大写,只需要减去32即可 charArray[i] -= 32; } System.out.println(new String(charArray)); System.out.println(new String(charArray,1,2)); } } 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 范例:给定一个字符串,要求判...
在获取字符串的第三位字符之前,我们应该先确保字符串的长度足够长。否则,如果字符串的长度小于3,那么尝试获取第三位字符将引发StringIndexOutOfBoundsException异常。 为了避免这种情况,我们可以使用字符串的length()方法来检查字符串的长度。length()方法返回字符串的字符数。 下面是一个示例代码,演示如何在获取字符串...
Stringsubstring="was born on 25-09-1984. She "; String[] result = text.split(Pattern.quote(substring)); assertEquals(2, result.length);Stringbefore=result[0];Stringafter=result[1]; assertEquals("Julia Evans ", before); assertEquals("is currently living in the USA (United States of America...
Java.Interop Assembly: Java.Interop.dll C# publicstaticintGetStringLength(Java.Interop.JniObjectReference stringInstance); Parameters stringInstance JniObjectReference Returns Int32 Remarks Portions of this page are modifications based on work created and shared by theAndroid Open Source Projectand used ...
---*/ function getPar(par){ //获取当前URL var local_url = document.location.href; //获取要取得的get...参数位置 var get = local_url.indexOf(par +"="); if(get == -1){ return false; }...//截取字符串 var get_par = local_url.slice(par.length + get + 1); //判断截取后的...
eType ) { if ( FALSE == ReadFromString(m_strUploadFileHeaderUTF8, lpBuffer, dwBufferSize, m_ReadInfo.dwReadIndex, dwWrite ) ) { return FALSE; } m_ReadInfo.dwReadIndex += dwWrite; if ( m_ReadInfo.dwReadIndex == m_strUploadFileHeaderUTF8.length() ) { m_ReadInfo.eType = ...
Method Name: setManyValues No of parameters:1 示例2:下面的程序返回类中定义的所有方法的参数数量。 // Program Demonstrate how to apply getParameterCount() method // of Method Class. import java.lang.reflect.Method; public class GFG { // Main method public static void main(String[] ar...
[Android.Runtime.Register("getMaxAllowedKeyLength", "(Ljava/lang/String;)I", "")] public static int GetMaxAllowedKeyLength(string? transformation); 参数 transformation String 密码转换。 返回 Int32 位或Integer.MAX_VALUE 的最大密钥长度。 属性 RegisterAttribute 例外 NoSuchAlgorithmExcept...
Technical DetailsReturns: None Throws: IndexOutOfBoundsException - In any of these conditions: If start or position are negative If end is greater than the length of the string If start is greater than end If the copied characters cannot fit in the destination array Java version: Any...