String reading methods in java

Author: MJTech46

Input method/BufferedReader Class/Main.java

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+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+
+public class Main {
+    public static void main(String[] args) throws IOException {
+        // constructing a BufferedReader obj
+        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
+
+        System.out.print("Enter a string: ");
+        String str = reader.readLine();
+
+        System.out.println("You entered: ");
+        System.out.println("\t"+str);
+    }
+
+}

Input method/Console Method/Main.java

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+public class Main {
+    public static void main(String[] args) {
+        // no constructor is needed 
+
+        System.out.print("Enter your string: ");
+        String str = System.console().readLine();
+
+        System.out.println("You entered: ");
+        System.out.println("\t"+str);
+
+    }
+}

Input method/Scanner Class/Main.java

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+import java.util.Scanner;
+
+public class Main{
+    public static void main(String[] args) {
+        // constructing a Scanner class obj
+        Scanner scan = new Scanner(System.in);
+
+        System.out.print("Enter a string: ");
+        String str = scan.nextLine();
+
+        System.out.println("You entered: ");
+        System.out.println("\t"+str);
+    }
+}

Input method/Swing Method/Main.java

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+// GUI
+import javax.swing.JOptionPane;
+
+public class Main {
+    public static void main(String[] args) {
+        // no constructor is needed 
+
+        String str = JOptionPane.showInputDialog("Enter a string:");
+        JOptionPane.showMessageDialog(null, "You entered: " + str);
+    }
+}