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...
通过Character.toUpperCase()方法把小写字母变为大写，通过Character.toLowerCase()方法把大写字母变为小写。
public class Program { public static void main(String[] args) {// A mixed-case string.String value1 ="The Golden Bowl";// Change casing.String upper = value1.toUpperCase(); String lower = value1.toLowerCase();// Print results.System.out.println(upper); System.out.println(lower); }...
returns a string with all upper case letters converted to lowercase letters Example: Java toLowerCase() classMain{publicstaticvoidmain(String[] args){ String str1 ="Learn Java"; String str2 ="Java123";// convert to lowercase letters System.out.println(str1.toLowerCase());// "learn java...
1 str.compareTo(String otherstr); 字母大小写转换 字符串的toLowerCase()方法可将字符串中的所有字符从大写字母改写为小写字母,而tuUpperCase()方法可将字符串中的小写字母改写为大写字母。 1 str.toLowerCase(); 2 str.toUpperCase(); 字符串分割 ...
Converting from uppercase to lowercase without using library functionimport java.util.Scanner; class Lowecase{ static char ch[] ={'P','R','E','E','T','I'}; public static void main(String[] args){ to_Lower(ch); } //method to convert in lowercase public stati...
String toUppercase ():This method converts all of the characters in the invoking string to uppercase. For example, str1.toUppercase(); //returns HELLO JAVA public class StringtoUpperCase { public static void main(String[] args) { String strl = "hello java"; System.out.println("s...
StringDemo.java 文件代码: 代码语言:txt AI代码解释 public class StringDemo{ public static void main(String args[]){ char[] helloArray = { 'r', 'u', 'n', 'o', 'o', 'b'}; String helloString = new String(helloArray); System.out.println( helloString ); } } ...
Java String toUpperCase() transforms a string by replacing all lowercase characters to uppercase while leaving any characters already in uppercase.
public void testFromStringFailsWithUpperCaseString() { String string = Hashing.sha1().hashString("foo", Charsets.US_ASCII).toString().toUpperCase(); try { HashCode.fromString(string); fail(); } catch (IllegalArgumentException expected) { } } 代码示例来源:origin: spring-projects/spring-fram...