main

Author: nanawarevishal

.vscode/settings.json

@@ -11,5 +11,6 @@
         "6.String",
         "7.InputOutput",
         "8,Method"
-    ]
+    ],
+    "java.debug.settings.onBuildFailureProceed": true
 }

1.DataType/.vscode/settings.json

@@ -1,11 +1,12 @@
 package PractiseCodes;
 class Demo{
 
-	public void main(String[] args){
+	public static void main(String[] args){
 
 		// float var1 = 12.5f;
 		// // float var2 = 23.5f;
 
 		// System.out.println(var1);
+		System.out.println("He");
 	}
 }

1.DataType/PractiseCodes/Program3.java

@@ -44,7 +44,7 @@ static int[] getConcatenation(int[] nums) {
         for(int i=0;i<nums.length;i++){ 
             res[i] = nums[j];
             res[2*i+nums.length-i] = nums[j];
-            j++;
+            j++; 
         }
 
         return res;

3.Array/LeetCode/program38.java

@@ -15,7 +15,9 @@ public static void main(String[] args) {
 
        while(st.hasMoreElements()){
 
-            System.out.println(st.nextElement());
+            System.out.println( st.nextElement().getClass().getClassLoader());
+
+            // st.nextElement().getClass().getClassLoader();
        }
     }
 }

7.InputOutput/ClassCodes/program15.java

@@ -1,7 +1,7 @@
 
 package ClassCodes;
 
-public class program1 {
+public class methodDemo1 {
 
     int x =10;
     static void fun(){
@@ -15,9 +15,10 @@ void gun(){
 
     public static void main(String[] args) {
 
-        program1 obj = new program1();
+        methodDemo1 obj = new methodDemo1();
 
-        gun();
+        obj.gun();
+        // gun();
     }
 }
 

8,Method/ClassCodes/program1.java renamed to 8,Method/ClassCodes/methodDemo1.java

@@ -0,0 +1,29 @@
+
+
+package ClassCodes;
+public class methodDemo2 {
+
+    static int x =10;
+    int y=20;
+
+    static void gun(){
+        System.out.println("Inside Gun method...!");
+    }
+
+    void fun(){
+        System.out.println("Inside fun method...!");
+    }
+
+    public static void main(String[] args) {
+        
+        gun();
+        System.out.println(x);
+
+        System.out.println("After creating the object ");
+
+        methodDemo2 obj = new methodDemo2();
+
+        obj.fun();
+        System.out.println(obj.y);
+    }
+}

8,Method/ClassCodes/methodDemo2.java

@@ -0,0 +1,23 @@
+package ClassCodes;
+
+public class methodDemo3 {
+
+    int x=10;
+   static final int z =90;
+
+    static int y=20;
+
+    void fun(){
+        System.out.println(x);
+        System.out.println(y);
+        // System.out.println(z);
+        
+    }
+    public static void main(String[] args) {
+        
+        methodDemo3 obj = new methodDemo3();
+
+        obj.fun();
+        System.out.println(z);
+    }
+}

8,Method/ClassCodes/methodDemo3.java

@@ -0,0 +1,37 @@
+package ClassCodes;
+
+import java.io.BufferedReader;
+import java.io.InputStreamReader;
+
+public class methodDemo4 {
+
+    static int add(int a,int b){
+        return a+b;
+    }
+
+    static int sub(int a,int b){
+        return a-b;
+    }
+
+    static int mult(int a,int b){
+        return a*b;
+    }
+
+    static int div(int a,int b){
+        return a/b;
+    }
+    
+    public static void main(String[] args)throws Exception {
+        
+        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+
+        System.out.println("Enter the two numbers: ");
+        int a = Integer.parseInt(br.readLine());
+        int b = Integer.parseInt(br.readLine());
+
+        System.out.println("Addition: "+add(a, b));
+        System.out.println("Subtraction: "+sub(a, b));
+        System.out.println("Multiplication: "+mult(a, b));
+        System.out.println("Division: "+div(a, b));
+    }
+}

8,Method/ClassCodes/methodDemo4.java

@@ -0,0 +1,41 @@
+package ClassCodes;
+
+import java.io.BufferedReader;
+import java.io.InputStreamReader;
+
+public class methodDemo5 {
+
+    static int add(){
+        return a+b;
+    }
+
+
+    public static void main(String[] args)throws Exception {
+        
+        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+
+        System.out.println("Enter the two numbers: ");
+        int a = Integer.parseInt(br.readLine());
+        int b = Integer.parseInt(br.readLine());
+
+        System.out.println("Addition: "+add());
+    }
+}
+
+
+/*
+
+            .\methodDemo5.java:9: error: cannot find symbol
+                    return a+b;
+                        ^   
+            symbol:   variable a
+            location: class methodDemo5
+            .\methodDemo5.java:9: error: cannot find symbol
+                    return a+b;
+                            ^
+            symbol:   variable b
+            location: class methodDemo5
+            2 errors
+            error: compilation failed
+            
+ */