strings in java
StringBuilder str = new StringBuilder();
str.append("GFG");
strings in java
StringBuilder str = new StringBuilder();
str.append("GFG");
string java
String str = "abc";
java String method
String txt = "Hello World";
System.out.println(txt.toUpperCase()); // Outputs "HELLO WORLD"
System.out.println(txt.toLowerCase()); // Outputs "hello world"
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