varibles, data types

binodcoder · binodcoder · commit 169e64c33d23 · 2024-05-21T15:04:16.000+01:00
diff --git a/src/Animal.java b/src/Animal.java
@@ -20,18 +20,15 @@ public class Animal {
     Animal(String name, float weight) {
         this.name = name;
         this.weight = weight;
-
     }
 
     Animal(String name) {
         this.name = name;
-
     }
 
     Animal(String size, String name) {
         this.size = size;
         this.name = name;
-
     }
 
     //copy constructor
@@ -40,6 +37,5 @@ public class Animal {
         this.weight = animal.weight;
         this.size = animal.size;
     }
-
 }
 
diff --git a/src/binod/AreaSquare.java b/src/binod/AreaSquare.java
@@ -0,0 +1,11 @@
+package binod;
+import java.util.Scanner;
+public class AreaSquare {
+    public static void main(String[] args) {
+        Scanner scanner=new Scanner(System.in);
+        System.out.println("Enter side of a square");
+        double side=scanner.nextDouble();
+        double area=side*side;
+        System.out.println("The area of square is: "+area);
+    }
+}
diff --git a/src/binod/Average3Numbers.java b/src/binod/Average3Numbers.java
@@ -0,0 +1,16 @@
+package binod;
+import java.util.Scanner;
+public class Average3Numbers {
+    public static void main(String[] args) {
+        Scanner scanner=new Scanner(System.in);
+        System.out.println("Input First Number:");
+        int firstNumber=scanner.nextInt();
+        System.out.println("Input Second Number:");
+        int secondNumber=scanner.nextInt();
+        System.out.println("Input Third Number:");
+        int thirdNumber=scanner.nextInt();
+
+        int average=(firstNumber+secondNumber+thirdNumber)/3;
+        System.out.println("The average of three numbers is: "+average);
+    }
+}
diff --git a/src/binod/Pattern1.java b/src/binod/Pattern1.java
@@ -0,0 +1,11 @@
+package binod;
+public class Pattern1 {
+    public static void main(String[] args) {
+        for(int i=4;i>0;i--){
+            for(int j=0;j<i;j++){
+                System.out.print("*");
+            }
+            System.out.println();
+        }
+    }
+}
diff --git a/src/binod/PrintBill.java b/src/binod/PrintBill.java
@@ -0,0 +1,30 @@
+package binod;
+import java.util.Scanner;
+public class PrintBill {
+    public static void main(String[] args) {
+        Scanner scanner = new Scanner(System.in);
+        System.out.println("Enter cost of pencil:");
+        float costOfPencil = scanner.nextFloat();
+        System.out.println("Enter cost of pen");
+        float costOfPen = scanner.nextFloat();
+        System.out.println("Enter cost of eraser");
+        float costOfEraser = scanner.nextFloat();
+        final float taxRate = 0.18f;
+        float totalCostWithoutTax = costOfPencil + costOfPen + costOfEraser;
+        float taxForPencil = taxRate * costOfPencil;
+        float taxForPen = taxRate * costOfPen;
+        float taxForEraser = taxRate * costOfEraser;
+        float totalTax = taxForPencil + taxForPen + taxForEraser;
+        float costOfPencilWithTax = costOfPencil + taxForPencil;
+        float costOfPenWithTax = costOfPen + taxForPen;
+        float costOfEraserWithTax = costOfEraser + taxForEraser;
+        float totalCostWithTax = costOfPencilWithTax + costOfPenWithTax + costOfEraserWithTax;
+        System.out.println("Item\tCost\tTax\tPrice");
+        System.out.println("----------------------------------");
+        System.out.println("Pencil\t" + costOfPencil + "\t" + taxForPencil + "\t" + costOfPencilWithTax);
+        System.out.println("Pen\t" + costOfPen + "\t" + taxForPen + "\t" + costOfPenWithTax);
+        System.out.println("Eraser\t" + costOfEraser + "\t" + taxForEraser + "\t" + costOfEraserWithTax);
+        System.out.println("----------------------------------");
+        System.out.println("Total\t" + totalCostWithoutTax + "\t" + totalTax + "\t" + totalCostWithTax);
+    }
+}
diff --git a/src/binod/TypeOfResult.java b/src/binod/TypeOfResult.java
@@ -0,0 +1,17 @@
+package binod;
+public class TypeOfResult {
+    public static void main(String[] args) {
+        byte b=4;
+        int c=97;
+        short s=512;
+        int i=1000;
+        float f=3.14f;
+        double d=99.9954;
+
+        int $=24;
+
+        double result=(f*b)+(i%c)-(d*s)+$;
+        System.out.println(result);
+    }
+
+}

Original file line number	Diff line number	Diff line change
`@@ -20,18 +20,15 @@ public class Animal {`
`20`	`20`	`Animal(String name, float weight) {`
`21`	`21`	`this.name = name;`
`22`	`22`	`this.weight = weight;`
`23`		`-`
`24`	`23`	`}`
`25`	`24`
`26`	`25`	`Animal(String name) {`
`27`	`26`	`this.name = name;`
`28`		`-`
`29`	`27`	`}`
`30`	`28`
`31`	`29`	`Animal(String size, String name) {`
`32`	`30`	`this.size = size;`
`33`	`31`	`this.name = name;`
`34`		`-`
`35`	`32`	`}`
`36`	`33`
`37`	`34`	`//copy constructor`
`@@ -40,6 +37,5 @@ public class Animal {`
`40`	`37`	`this.weight = animal.weight;`
`41`	`38`	`this.size = animal.size;`
`42`	`39`	`}`
`43`		`-`
`44`	`40`	`}`
`45`	`41`