To check for equality between two strings ignoring the case : String Compare « Data Type « Java Tutorial

1. Java Tutorial
2. Data Type
3. String Compare

public class MainClass {

  public static void main(String[] arg) {
    
    String a = "a";
    String b = "A";
    
    if(a.equalsIgnoreCase(b)){
      System.out.println("a==b");
    }else{
      System.out.println("a!=b");   
    }
  }
}

a==b