main

Author: nanawarevishal

.vscode/settings.json

@@ -10,7 +10,8 @@
         "5.ControlStatement\\ifElse\\ClassCodes",
         "6.String",
         "7.InputOutput",
-        "8,Method"
+        "8.Method",
+        "9.Array"
     ],
     "java.debug.settings.onBuildFailureProceed": true
 }

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

@@ -0,0 +1,27 @@
+package ClassCodes;
+
+public class methodDemo10 {
+
+    fun(){
+        System.out.println("In fun..!");
+        System.out.println();
+    }
+    public static void main(String[] args) {
+        
+        methodDemo10 obj = new methodDemo10();
+
+        obj.fun();
+
+    }
+}
+
+
+/*
+
+            methodDemo10.java:5: error: invalid method declaration; return type required
+            fun(){
+            ^     
+        1 error
+        error: compilation failed
+
+ */

8.Method/ClassCodes/methodDemo10.java

@@ -0,0 +1,27 @@
+package ClassCodes;
+
+public class methodDemo11 {
+
+    void (){
+        System.out.println("In fun..!");
+        System.out.println();
+    }
+    public static void main(String[] args) {
+        
+        methodDemo11 obj = new methodDemo11();
+
+        // obj.fun();
+
+    }
+}
+
+
+/*
+
+    methodDemo11.java:5: error: <identifier> expected
+    void (){
+            ^   
+    1 error
+    error: compilation failed
+
+ */

8.Method/ClassCodes/methodDemo11.java

@@ -0,0 +1,26 @@
+package ClassCodes;
+
+public class methodDemo12 {
+
+    void fun(int x){
+        System.out.println(x);
+    }
+    public static void main(String[] args) {
+        methodDemo12 obj = new methodDemo12();
+
+        obj.fun(10);
+        obj.fun(10.05f);
+    }
+}
+
+
+/*
+ .\methodDemo12.java:12: error: method fun in class methodDemo12 cannot be applied to given types;
+        obj.fun(10f);
+           ^
+  required: int
+  found:    float
+  reason: argument mismatch; possible lossy conversion from float to int
+1 error
+error: compilation failed
+ */

8.Method/ClassCodes/methodDemo12.java

@@ -0,0 +1,30 @@
+package ClassCodes;
+
+public class methodDemo13 {
+
+    void fun(float x){
+        System.out.println(x);
+    }
+    public static void main(String[] args) {
+        methodDemo13 obj = new methodDemo13();
+
+        obj.fun(10);
+        obj.fun(10.05f);
+        obj.fun(true);
+    }
+}
+
+
+/*
+
+            methodDemo13.java:13: error: method fun in class methodDemo13 cannot be applied to given types;
+                    obj.fun(true);
+                    ^
+            required: float
+            found:    boolean
+            reason: argument mismatch; boolean cannot be converted to float
+            1 error
+            error: compilation failed
+            
+ */
+

8.Method/ClassCodes/methodDemo13.java

@@ -0,0 +1,18 @@
+package ClassCodes;
+
+public class methodDemo6 {
+
+    int y =90;
+    void fun(int x){
+        System.out.println(x);
+        System.out.println(y);
+    }
+
+    public static void main(String[] args) {
+        methodDemo6 obj = new methodDemo6();
+
+        obj.fun(10);
+
+        System.out.println("End of the main function...!");
+    }
+}

8,Method/ClassCodes/methodDemo2.java renamed to 8.Method/ClassCodes/methodDemo2.java

@@ -0,0 +1,41 @@
+package ClassCodes;
+
+public class methodDemo7 {
+
+    void fun(){
+        System.out.println();
+    }
+    public static void main(String[] args) {
+        
+        methodDemo7 obj = new methodDemo7();
+        obj.fun(x);
+
+    }
+}
+
+
+/*
+
+ Output: 
+            .\methodDemo7.java:11: error: method fun in class methodDemo7 cannot be applied to given types;
+                obj.fun();
+                ^
+        required: int
+        found:    no arguments
+        reason: actual and formal argument lists differ in length
+        1 error
+        error: compilation failed
+
+
+
+        Second type:
+
+                .\methodDemo7.java:11: error: cannot find symbol
+                obj.fun(x);
+                        ^
+        symbol:   variable x
+        location: class methodDemo7
+        1 error
+        error: compilation failed
+
+ */

8,Method/ClassCodes/methodDemo3.java renamed to 8.Method/ClassCodes/methodDemo3.java

@@ -0,0 +1,16 @@
+package ClassCodes;
+
+public class methodDemo8 {
+
+    void fun(int x){
+        System.out.println("In fun..!");
+        System.out.println(x);
+    }
+    public static void main(String[] args) {
+        
+        methodDemo8 obj = new methodDemo8();
+
+        obj.fun('A');
+
+    }
+}

8,Method/ClassCodes/methodDemo4.java renamed to 8.Method/ClassCodes/methodDemo4.java

@@ -0,0 +1,30 @@
+package ClassCodes;
+
+public class methodDemo9 {
+
+    void fun(char ch){
+        System.out.println("In fun..!");
+        System.out.println(ch);
+    }
+    public static void main(String[] args) {
+        
+        methodDemo9 obj = new methodDemo9();
+
+        obj.fun(65);
+
+    }
+}
+
+
+/*
+
+            methodDemo9.java:13: error: method fun in class methodDemo9 cannot be applied to given types;
+                obj.fun(65);
+                ^
+            required: char
+            found:    int
+            reason: argument mismatch; possible lossy conversion from int to char
+            1 error
+            error: compilation failed
+            
+ */

8,Method/ClassCodes/methodDemo5.java renamed to 8.Method/ClassCodes/methodDemo5.java

@@ -0,0 +1,24 @@
+
+
+package ClassCodeArray;
+
+public class program1 {
+    public static void main(String[] args) {
+        
+        int arr[];
+        
+        arr= new int[4];
+        
+        int arr2[] = new int[0];
+
+        // arr2[0]=1;
+        // System.out.println(arr2[0]);
+        
+
+        boolean ch[] = new boolean[5];
+
+        for(int i=0;i<ch.length;i++){
+            System.out.println(ch[i]);
+        }
+    }
+}