Java Training Source Code - AY

BubbleSort.java

@@ -0,0 +1,40 @@
+import java.util.*;
+
+public class BubbleSort
+{
+	public static void main(String args[])
+	{
+		if (args.length == 0){
+			System.out.println("Usage Factorial <numeric-number>");
+			return;
+		}
+		int data[] = new int[args.length];
+		int i, j;
+
+		//Fill Data
+		for(i=0;i<args.length;i++){
+			data[i] = Integer.parseInt(args[i]);
+		}
+
+		//Bubble Sort
+		int temp;
+		for(i=0;i<data.length-1;i++){
+			for(j=i+1;j<data.length;j++){
+				if (data[i] > data[j]){
+					temp = data[i];
+					data[i] = data[j];
+					data[j] = temp;
+				}
+			}
+		}
+		//FastWay
+		//Arrays.sort(data);
+
+		//Print Out
+		System.out.println("Sorted Data:");
+		for (i=0;i<data.length;i++){			
+			if (i != 0) System.out.print(" ");
+			System.out.print(data[i]);
+		}
+	}
+}

Calendar.java

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+import java.util.*;
+
+public class Calendar
+{
+	public static void main(String args[])
+	{
+		if (args.length != 1){
+			System.out.println("Usage Calendar <numeric-month>");
+			return;
+		}
+		int mnth = Integer.parseInt(args[0]);
+
+		switch (mnth){
+			case 1:
+				System.out.println("Month = January"); break;
+			case 2:
+				System.out.println("Month = February"); break;
+			case 3:
+				System.out.println("Month = March"); break;
+			case 4:
+				System.out.println("Month = April"); break;
+			case 5:
+				System.out.println("Month = May"); break;
+			case 6:
+				System.out.println("Month = June"); break;
+			case 7:
+				System.out.println("Month = July"); break;
+			case 8:
+				System.out.println("Month = August"); break;
+			case 9:
+				System.out.println("Month = September"); break;
+			case 10:
+				System.out.println("Month = October"); break;
+			case 11:
+				System.out.println("Month = November"); break;
+			case 12:
+				System.out.println("Month = Desember"); break;
+			default:
+				System.out.println("Range Month are 1 - 12!");
+		}
+	}
+}

Calendar_2.java

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+import java.util.*;
+
+public class Calendar_2
+{
+	public static void main(String args[])
+	{
+		if (args.length != 2){
+			System.out.println("Usage Calendar <numeric-year> <numeric-month>");
+			return;
+		}
+
+		int year = Integer.parseInt(args[0]);
+		int month = Integer.parseInt(args[1]);
+		int day = 0;
+		boolean leapy = false;
+
+		if (year % 400 == 0 || (year % 4 == 0 && year % 100 != 0)){
+			leapy = true;
+		}
+
+		switch (month){
+			case 2:
+				day = leapy ? 29 : 28; break;
+			case 1:	
+			case 3:
+			case 5:
+			case 7:
+			case 8:
+			case 10:
+			case 12:
+				day = 31; break;
+			case 4:
+			case 6:
+			case 9:
+			case 11:
+				day = 30; break;
+			default:
+				System.out.println("Range Month are 1 - 12!");
+
+		}
+		System.out.println("Day = " + day);
+	}
+}

Factorial.java

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+import java.util.*;
+
+public class Factorial
+{
+	public static void main(String args[])
+	{
+		if (args.length != 1){
+			System.out.println("Usage Factorial <numeric-number>");
+			return;
+		}
+		int n = Integer.parseInt(args[0]);
+		int sum = 1;
+
+		for(int i=2;i<=n;i++){
+			sum *= i;
+		}
+		System.out.println("Sum = " + sum);
+	}
+}

FactorialRecurrent.java

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+import java.util.*;
+
+public class FactorialRecurrent
+{
+	public static int fac(int x){
+		if (x == 1) return 1;
+		return x * fac(x-1);
+	}
+
+	public static void main(String args[])
+	{
+		if (args.length != 1){
+			System.out.println("Usage Factorial <numeric-number>");
+			return;
+		}
+		int n = Integer.parseInt(args[0]);
+
+		System.out.println("Sum = " + fac(n));
+	}
+}

HelloWorld.java

@@ -0,0 +1,9 @@
+import java.util.*;
+
+public class HelloWorld
+{
+	public static void main(String args[])
+	{
+		System.out.println("Hello World!");
+	}
+}

LetterGrade.java

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+import java.util.*;
+
+public class LetterGrade
+{
+	public static void main(String args[])
+	{
+		if (args.length != 1){
+			System.out.println("Usage LetterGrade <numeric-score>");
+			return;
+		}
+		int score = Integer.parseInt(args[0]);
+		/*
+		Scanner scan = new Scanner(System.in);
+
+		System.out.print("Score = ");
+
+		score = scan.nextInt();
+		*/
+		if (score > 80){
+			System.out.println("Grade = A");
+		}
+		else if (score > 70){
+			System.out.println("Grade = B");
+		}
+		else if (score > 60){
+			System.out.println("Grade = C");
+		}
+		else{
+			System.out.println("Grade = D");
+		}
+	}
+}

README.md

@@ -1 +1,7 @@
-# training-java-future-program
+# training-java-future-program
+
+Batch 3.0
+
+@Andy Yusuf 2018
+
+BliBli.Com