Uploading Files

Array01.java

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+import java.util.Scanner;
+public class Array01{
+	public static void main(String [] args){
+		Scanner sc = new Scanner(System.in);
+
+		int i, num ;
+		System.out.print("Enter Length of Array: ");
+		num = sc.nextInt();
+
+		int [] arr = new int[num];
+		System.out.println("Enter " + num + " Elements: ");
+		for (i = 0; i <num;i++){
+			arr[i] = sc.nextInt();
+		}
+		System.out.println("Elements in Array");
+		for(i = 0; i<num; i++){
+			System.out.print(arr[i] + "\t");
+		}
+		int sum = 0;
+		for(i = 0; i<num; i++){
+			sum += arr[i];
+		}
+		System.out.println("\r\rSum is: " + sum);
+	}
+}

Array02.java

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+import java.util.Arrays;
+import java.util.Scanner;
+import java.util.Collections;
+public class Array02{
+	public static void main(String [] args){
+		Scanner sc = new Scanner(System.in);
+
+		int i, num;
+		System.out.print("Enter length of array: ");
+		num = sc.nextInt();
+
+		int[] arr1 = new int[num];
+		int[] arr2 = new int[num];
+		System.out.println("Enter " + num + " elements: ");
+		for (i = 0; i < num; i++){
+			arr1[i] = sc.nextInt();
+		}
+
+		Arrays.sort(arr1);
+		System.out.println("\rElements of array2 are: " + Arrays.toString(arr1));
+
+		Collections.reverse (Arrays.asList(arr1));
+		System.out.println("\rElements of array2 are: " + Arrays.toString(arr1));
+
+	}
+}

Array03.java

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+import java.util.Arrays;
+import java.util.Scanner;
+public class Array03{
+	public static void main(String [] args){
+		Scanner sc = new Scanner(System.in);
+		int i, num;
+		System.out.print("Enter length of array: ");
+		num = sc.nextInt();
+
+		int[] arr = new int[num];
+		System.out.println("Enter " + num + " elements: ");
+		for(i = 0; i<num; i++){
+			arr[i] = sc.nextInt();
+		}
+		Arrays.sort(arr);
+		System.out.print(Arrays.toString(arr));
+
+		int sum = 0;
+		for(i = 0; i < num; i++){
+			sum += arr[i];
+		}
+		System.out.println("Sum is: " + sum);
+	}
+}

Array1.java

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+public class Array1{
+	public static void main(String [] args){
+		double prices[] = {12.43,13.42,13.23,15.00,25.00};
+		for (int i=0; i < prices.length; i++){
+			System.out.println(prices[i]);
+		}
+	}
+}

Binary1.java

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+import java.util.Scanner;
+public class Binary1{
+	public static void main(String args []){
+		int n;
+		Scanner sc = new Scanner(System.in);
+
+		System.out.print("Enter any number: ");
+		n = sc.nextInt();
+		System.out.println("Binary number: " + Integer.toBinaryString(n));
+
+	}
+}

Conditions1.java

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+/* 
+ *Scanner dahil static na program
+ *or with user input.
+ *Reminders:
+ *This may or may totally not be
+ *included sa activity tomorrow
+ *Thank you <3
+*/
+
+import java.util.Scanner;
+public class Conditions1 {
+	public static void main (String [] args){
+		Scanner sc = new Scanner(System.in);
+		double no; //no is number
+
+		System.out.print("Input your grade: ");
+		no = sc.nextDouble();
+
+		if (no >= 90){
+			System.out.print("A");
+		} else if (no >= 80){
+			System.out.print("B");
+		} else if (no >= 75){
+			System.out.print("C");
+		} else if (no < 50 || no > 100){
+			System.out.print("Input Error");
+		} else {
+			System.out.print("F");
+		}
+
+	}
+}

Conversion.java

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+/**
+ * Data Type Conversion
+ */
+public class Conversion {
+    public static void main(String[] args) {
+
+        //variable x is float data type
+        float x = 2.89f;
+        //variable y is an integer data type 
+        int y = (int) x;
+        //float x will be convert to integer
+        System.out.println("Float to Int: " + y);
+        //displays y into integer
+        //output should be 2
+
+    }
+
+}

Conversion1.java

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+public class Conversion1 {
+	public static void main (String[] args){
+		final int grade = 80;
+		final int size = 20;
+		double final_grade = (double) grade;
+		double final_size = (double) size;
+
+		//Displays final size and final grade variables
+		System.out.println(final_grade);
+		System.out.println(final_size);
+
+	}
+}

Conversion2.java

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+public class Conversion2 {
+	public static void main (String[]main) {
+		String str = "1050";
+
+		int inum = Integer.parseInt(str);
+		System.out.println(inum);
+
+		int onum = Integer.valueOf(str);
+		System.out.println(onum);
+	}
+}

Exception01.java

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+import java.util.*;
+public class Exception01{
+	public static void main(String [] args){
+		Exception01 ex = new Exception01();
+		ex.input();
+	}
+	public void input(){
+		Scanner sc = new Scanner(System.in);
+		int dividend, divisor, quotient;
+		System.out.print("Enter dividend: ");
+		dividend = sc.nextInt();
+		System.out.print("Enter divisor: ");
+		divisor = sc.nextInt();
+		try{
+			quotient = dividend / divisor;
+			System.out.print(dividend + " / " + divisor + " = " + quotient);
+		}
+		catch(ArithmeticException e){
+			System.out.println("Divisor cannot be 0");
+			System.out.println("Try again.");
+		}
+		catch(InputMismatchException e){
+			System.out.print("Wrong data type!");
+			System.out.println("Try again.");
+		}
+		finally{
+			System.out.println("\rThank you!");
+		}
+	}
+}

ForLoop1.java

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+import java.util.Scanner;
+public class ForLoop1 {
+	public static void main (String [] args){
+
+	    Scanner sc = new Scanner(System.in);
+	   	int num;
+
+	   	System.out.print("Enter a positive number: ");
+	   	num = sc.nextInt();
+
+	   	for (int i = 1; i<=10; i++){
+	   		System.out.println(num + " x " + i + " = " + (num*i) );
+	   	}
+	}
+}

ForLoop2.java

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+import java.util.Scanner;
+public class ForLoop2 {
+	public static void main(String [] args){
+		int base, power;
+		int result = 1;
+
+		Scanner sc = new Scanner(System.in);
+
+		System.out.print("Enter the base number: ");
+		base = sc.nextInt();
+
+		System.out.print("Enter the power number: ");
+		power = sc.nextInt();
+
+		for(int i = 1; i<= power; i++){
+			result *= base;
+		}
+		System.out.println("Result: " + result);
+	}
+}

Hello.java

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+/**
+ * Hello
+ */
+public class Hello {
+    //main method
+    public static void main(String[] args) {
+        //Variable x is a string
+        String x = "Hello Arvin";
+        //Says Hello Arvin
+        System.out.println(x);
+    }
+}

Measurements.java

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+import java.util.Scanner;
+public class Measurements{
+	public static void main(String [] args){
+		Scanner sc = new Scanner(System.in);
+		double num;
+		double cm = 0;
+		String measurement = "";
+		String converter = "";
+
+		System.out.println("Available measurements are: millimeter (mm), centimeter (cm)");
+		System.out.print("Enter a measurement: ");
+		measurement = measurement.toLowerCase();
+		measurement = sc.nextLine();
+
+		System.out.print("Enter a number: ");
+		num = sc.nextDouble();
+
+		if(measurement.equals("mm")|| measurement.equals("millimeter")){
+
+			System.out.println("Available conversion to: centimeter (cm)");
+			System.out.print("Convert number to: ");
+			converter = converter.toLowerCase();
+			converter = sc.nextLine();
+
+			if(converter.equals("cm")||converter.equals("centimeter")){
+				cm = num / cm;
+				System.out.println("Length in centimeter is: " + cm);
+			} else{
+				System.out.println("Error, converter not found.");
+			}
+		} else if(measurement.equals("cm")|| measurement.equals("centimeter")){
+			System.out.println("test");
+		} else {
+			System.out.print("Error");
+		}
+	}
+}

MyLoopTest.java

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+import java.util.Scanner;
+public class MyLoopTest {
+	public static void main(String [] args){
+		int sum = 0;
+		for(int a=0; a<=100; a+=2){
+			System.out.println(a);
+			//sum += a;
+		}
+		//System.out.print(sum);
+	}
+}

Recursion07.java

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+import java.util.Scanner;
+class Recursion07{
+	public static void reverse(int arr[], int start, int end){
+		if(start >= end)
+			return;
+		int temp;
+		temp = arr[start];
+		arr[start] = arr[end];
+		arr[end] = temp;
+
+		reverse(arr, start+1, end-1);
+	}
+
+	public static void main(String args[]){
+		Scanner sc = new Scanner(System.in);
+
+		System.out.println("Enter Row Array Elements: ");
+		int n = sc.nextInt();
+
+		System.out.println("Enter Array Elements: ");
+		int arr[] = new int[n];
+		for(int i = 0; i<n; i++){
+			arr[i]=sc.nextInt();
+		}
+		System.out.println("Array Elements: ");
+		for(int i = 0; i<n; i++){
+			System.out.println(arr[i]);
+		}
+
+		System.out.println("Reversed Array Elements: ");
+		reverse(arr, 0, n-1);
+		for(int i = 0; i<n; i++){
+			System.out.println(arr[i]);
+		}
+
+	}
+}

SampDoWhile.java

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+public class SampDoWhile{
+	public static void main(String [] args){
+		int i = 0;
+		do{
+			if (i==0){
+				System.out.print("Done");
+			} else{
+				System.out.print("Oops");
+			}
+		} while(true);
+	}
+}