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Author: SusmoyBarman1

AreaOfCircle.java

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+
+package basicjava;
+
+import java.util.Scanner;
+
+public class AreaOfCircle {
+    public static void main(String[] args) {
+        Scanner input = new Scanner(System.in);
+        double r,area;
+        r = input.nextDouble();
+        area = 3.1416*r*r;
+        System.out.printf("The area is: %f\n",area);
+    }
+}

Array.java

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+
+package basicjava;
+
+public class Array {
+    public static void main(String[] args) {
+        int[] arr = new int[10]; // array declaration and creation.
+        for (int i = 0; i < 10; i++) {
+            arr[i] = i+5;
+        }
+        for (int i = 0; i < 10; i++) {
+            System.out.println(arr[i]);
+        }
+    }
+}

AsciiValue.java

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+
+package basicjava;
+
+import java.util.Scanner;
+
+public class AsciiValue {
+    public static void main(String[] args) {
+        Scanner input = new Scanner(System.in);
+        char ch;
+        ch = input.next().charAt(0);
+        int a = ch;
+        System.out.printf("The ascii value of the character is: %d\n",a);
+    }
+}

BioData.java

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+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package basicjava;
+
+/**
+ *
+ * @author Asus
+ */
+public class BioData 
+{
+    public static void main(String[] args)
+    {
+        System.out.println("Hello world\nSusmoy Barman\n01774668821");
+        System.out.println("Hello world\nSusmoy Barman\n01774668821");
+    }
+}

CommentDemo.java

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+
+package basicjava;
+
+
+public class CommentDemo {
+    public static void main(String[] args){
+        //printing my name
+        System.out.println("Susmoy Barman");
+    }
+}

ConditionalStatement.java

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+
+package basicjava;
+
+import java.util.Scanner;
+
+public class ConditionalStatement {
+    public static void main(String[] args) {
+        Scanner input = new Scanner(System.in);
+        int num;
+        num = input.nextInt();
+        if(num>0)
+            System.out.println("The number is positive");
+        else if(num==0)
+            System.out.println("The number is zero");
+        else
+            System.out.println("The number is negative");
+            
+    }
+}

ForEachLoop.java

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+
+package basicjava;
+
+public class ForEachLoop {
+    public static void main(String[] args) {
+        String[] names = {"susmoy","maruf","Dabba","Farha"}; // creating and initialing the string array.
+        for(String x : names){      // this is for each loop.
+            System.out.println(x);
+        }
+    }
+}

ForLoop.java

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+
+package basicjava;
+
+public class ForLoop {
+    public static void main(String[] args) {
+        for(int i=0;i<10;i++)
+            System.out.println("Susmoy");
+    }
+}

InputOutput.java

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+
+package basicjava;
+
+import java.util.Scanner;
+
+public class InputOutput {
+    public static void main(String[] args) {
+        Scanner input = new Scanner(System.in);
+        double num;
+        int a,b;
+        a=10; b=20;
+        num = input.nextDouble();
+        System.out.printf("The number is: %f\n",num);
+        System.out.println("the first value is: "+a+"the second value is "+b);
+    }
+}
+ 

SumAndAverage.java

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+
+package basicjava;
+
+import java.util.Scanner;
+
+public class SumAndAverage {
+    public static void main(String[] args) {
+        Scanner input = new Scanner(System.in);
+        double[] arr = new double[10];
+        for (int i = 0; i < 10; i++) {
+            arr[i] = input.nextDouble();
+        }
+        double sum = 0;
+        for (int i = 0; i < 10; i++) {
+            sum += arr[i];
+        }
+        double ave = sum/10;
+        System.out.println("The sum of the array is: "+sum);
+        System.out.println("The average of the array is: "+ave);
+        // length of a array: array.length
+    }
+}

Triangle.java

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+
+package basicjava;
+
+import java.util.Scanner;
+
+
+public class Triangle {
+    public static void main(String[] args) {
+        Scanner input = new Scanner(System.in);
+        double b,h,area;
+        b = input.nextDouble();
+        h = input.nextDouble();
+        area = 0.5*h*b;
+        System.out.printf("The area is: %.2f\n",area);
+    }
+}

TwoDArray.java

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+/*
+ * To change this license header, choose License Headers in Project Properties.
+ * To change this template file, choose Tools | Templates
+ * and open the template in the editor.
+ */
+package basicjava;
+
+/**
+ *
+ * @author Asus
+ */
+public class TwoDArray {
+    
+}

VowelConsonent.java

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+
+package basicjava;
+
+import java.util.Scanner;
+
+public class VowelConsonent {
+    public static void main(String[] args) {
+        Scanner input = new Scanner(System.in);
+        char ch;
+        ch = input.next().charAt(0);
+        if(ch=='a' || ch=='e' || ch=='i' || ch=='o' || ch=='u')
+            System.out.println("The character is vowel!");
+        else
+            System.out.println("The character is consonant");
+    }
+}