=.*[A-Z])(?=.*[a-z])";returnstr.matches(regex);}publicstaticvoidmain(String[]args){Stringstr1="Password123";Stringstr2="password";System.out.println("String 1 contains uppercase and lowercase letters: "+contains
问用户输入upperCase和lowerCase - JavaEN1.输出 System.out.println(); //输出且换行 System.out.p...
3. Convert strings to upper/lowercase using lambda Write a Java program to implement a lambda expression to convert a list of strings to uppercase and lowercase. Sample Solution: Java Code: // Main.javaimportjava.util.Arrays;importjava.util.List;publicclassMain{publicstaticvoidmain(String[]args...
Change character case static char toTitleCase(char ch)converts to titlecase. static char toUpperCase(char ch)converts to uppercase. static char toLowerCase(char ch)converts to lowercase. publicclassMain{publicstaticvoidmain(String[] argv){ System.out.println(Character.toTitleCase('a')); Syste...
* Swaps the case of a String changing upper and title case to * lower case, and lower case to upper case. * * * Upper case character converts to Lower case * Title case character converts to Lower case * Lower case character converts to Upper...
This tutorial introduces how to ignore uppercase and lower case of string in Java. ADVERTISEMENT A string is a sequence of characters, and in Java, it is a class also containing several utility methods. A string can be in lowercase or uppercase or a mix of both, which is fine, but som...
boolean upperCasePresent = false; boolean lowerCasePresent = false; boolean specialCharacterPresent = false; for (int i = 0; i < input.length(); i++) { currentCharacter = input.charAt(i); if (Character.isDigit(currentCharacter)) { ...
Below is an example of converting a string to lowercase and uppercase ? Open Compiler import java.lang.*; public class StringDemo { public static void main(String[] args) { // converts all upper case letters in to lower case letters String str1 = "SELF LEARNING CENTER"; System.out.pri...
public class Tastones { public static void main(String args[]) { String S1 = new String("UPPERCASE CONVERTED TO LOWERCASE"); //Convert to LowerCase System.out.println(S1.toLowerCase()); } } 输出: uppercase converted to lowercase Java 字符串 toUppercase() 方法 toUppercase() 方法用于将给...
/*Java program to convert string into Lowercase and Uppercase*/importjava.util.*;classConvertCasePrg{publicstaticvoidmain(Stringargs[]){Scanner sc=newScanner(System.in);Stringstr="";//input stringSystem.out.print("Enter any string: ");str=sc.nextLine();//declaring objects to store lowerca...