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method non static public class LoGIne{ public String user (String a){ String rr = txt_user.getText(); String pass = txt_pass.getText(); //ConDb(user,pass); return rr; } --------------------------------------------------- method static public static Connection ConDb(){ //String USER ="mh"; String d ,l,h; d =("ameer"); String PASS=d; LoGIne a = new LoGIne(); String USER = a.user(h); // … |
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i want to make required field validator in java netbeans on textfield and press button if textfield null or example the textfield required string no integer how do it |
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how to write code in java this statm if public String pass (){ b =txt_pass.getText(); if ("ameer".equals(b)) JOptionPane.showMessageDialog(null, "the password is correct"); return b; } how to make this **if (user ()) retrun a ** JOptionPane.showMessageDialog(null, "the password is correct"); |