How do I convert strings between uppercase and lowercase in Java

Question

What is the method for converting strings in Java between upper and lower case

User · Answer

Coverting the first letter of word capital

input:

hello world

String A = hello;
String B = world;
System.out.println(A.toUpperCase().charAt(0)+A.substring(1) + " " + B.toUpperCase().charAt(0)+B.substring(1));

Output:

Hello World

User · Answer

Yes  There are methods on the String itself for this   Note that the result depends on the Locale the JVM is using  Beware  locales is an art in itself

User · Answer

Assuming that all characters are alphabetic  you can do this   From lowercase to uppercase      Uppercase letters   class UpperCase       public static void main String args           char ch      for int i 0  i  lt  10  i             ch    char    a    i         System out print ch              This statement turns off the 6th bit           ch    char    int  ch  amp  65503      ch is now uppercase       System out print ch                           From uppercase to lowercase      Lowercase letters   class LowerCase       public static void main String args           char ch      for int i 0  i  lt  10  i             ch    char    A    i         System out print ch         ch    char    int  ch   32      ch is now uppercase       System out print ch

User · Answer

String toLowerCase

User · Answer

There are methods in the String class  toUppercase   and toLowerCase     i e   String input    Cricket    String upper   input toUpperCase      stores  CRICKET   String lower   input toLowerCase      stores  cricket      This will clarify your doubt

User · Answer

String toLowerCase and String toUpperCase are the methods you need

[java] How do I convert strings between uppercase and lowercase in Java?

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