Java Basic Activities : Do While Loop

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Code:
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import java.util.Scanner;

public class Test36_Pereda_dowhileloop {

public static void main(String [] args) {

Scanner input = new Scanner(System.in);


int i =1, nums;

do {

i++;
System.out.print("Enter a number: ");
nums = input.nextInt();

System.out.println("The number you entered: " +nums);




}while(i <=5);


input.close();
}



}

Java Basic Activities: While Loop

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Code: 
==================


import java.util.Scanner;

public class Test35_Pereda_whileloop {

public static void main(String [] args) {

Scanner input = new Scanner(System.in);


int i =1, nums;

while(i <=5) {

i++;
System.out.print("Enter a number: ");
nums = input.nextInt();

System.out.println("The number you entered: " +nums);




}

input.close();
}

}

Java Basic Activities: For Loop

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Code: 
=======================

import java.util.Scanner;

public class Test34_Pereda_forloop {

public static void main(String [] args) {

Scanner input = new Scanner(System.in);


int i, nums;

for(i=1; i<=5; i++){

System.out.print("Enter a number: ");
nums = input.nextInt();

System.out.println("The number you entered: " +nums);




}

input.close();

}
}

Java Basic Activities: Logical Operators w/ nested else if

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Code: 
===========================
import java.util.Scanner;

public class Test32_Pereda_Logicalland {

public static void main(String [] args) {

Scanner input = new Scanner(System.in);

int age, num1;


System.out.print("Enter a number: ");
num1 = input.nextInt();

System.out.print("enter your age: ");
age = input.nextInt();

if (num1 <100 && age> 60) {
   System.out.println("Congratulation you win a lucky prize!");

}

else {
System.out.println("Sorry , did not win any prize!");

}

input.close();
}

}
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Code: 
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import java.util.Scanner;

public class Test33_Pereda_Challege {

public static void main(String [] args) {

System.out.println("=================================================================");
System.out.println("| Name:Sonny Pereda                                             |");
System.out.println("| Subject Code: CC101                                           |");
System.out.println("| Subject Title: Programming Language                           |");
System.out.println("| Activity no.33                                                |");
System.out.println("| Instructor: Clinton Reducto                                   |");
System.out.println("=================================================================");

Scanner input = new Scanner(System.in);
int num1;

System.out.println("\n\nEnter your grade in CC101:");
num1 = input.nextInt();



if (num1<=100 && num1>=98 ) {
System.out.println("Grade Point Equivalent: 1.0 ");
System.out.println("Exellent");

}
else if (num1<=97 && num1>=95 ) {
System.out.println("Grade Point Equivalent: 1.25 ");
System.out.println("Very good");

}

else if (num1<=94 && num1 >=92 ) {
System.out.println("Grade Point Equivalent: 1.75 ");
System.out.println("Execent");

}

else if (num1<=91 && num1 >=89 ) {
System.out.println("Grade Point Equivalent: 2.0 ");
System.out.println("Very good");

}

else if (num1<=88 && num1 >=86 ) {
System.out.println("Grade Point Equivalent: 2.25 ");
System.out.println("Very good");

}

else if (num1<=85 && num1 >=83 ) {
System.out.println("Grade Point Equivalent: 2.5 ");
System.out.println("Fair");

}

else if (num1<=80 && num1 >=82 ) {
System.out.println("Grade Point Equivalent: 2.75 ");
System.out.println("Very good");

}

else if (num1<=79 && num1 >=77 ) {
System.out.println("Grade Point Equivalent: 3.0 ");
System.out.println("Passed");

}

else if (num1<=76 && num1 >=75 ) {
System.out.println("Grade Point Equivalent: 3.0 ");
System.out.println("Failed");

}
else {System.out.println("Your faile");



}

input.close();
}


}

Java Basic Activities: Try Catch w/ nested else if statement | Invalid Character

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Code: 
==============================

import java.util.Scanner;

public class Test31_Pereda_Challege {

public static void main(String [] args) {


int pvail;
Scanner input = new Scanner(System.in);

try {

System.out.println("Enter a number:");
pvail = input.nextInt();




if (pvail <= -1) {
System.out.println("The number you entered is negative");

}


else if (pvail >= 1) {
System.out.println("The number you entered is positive");

}

else if (pvail == 0) {
System.out.println("The number you entered is zero");

}


} catch (Exception e) {
System.out.println("Character are not allowed!!!!");

input.close();

}

}

}




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Java Basic Activities: If else and nested else if statements

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Code: 
===========================
public class Test27_Pereda_ifelse {

public static void main(String [] args) {

int m=100, n=100;

if (m==n )  {

System.out.println("m is equal to n");

}

else {
System.out.println("m is not equal to n");


}
}

}

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Code: 
==============================
import java.util.Scanner;

public class Test28_Pereda_ifelse2 {

public static void main(String [] args) {

int pvail;
Scanner input = new Scanner(System.in);

System.out.println("Enter a number from 1 to 3: ");
pvail = input.nextInt ();

 if  (pvail ==2) {
System.out.println("Congratualions!!! You avail the promo ");
 
 }

 else {
System.out.println("Thank you for joining");
 
 }
  input.close();

}

}

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Code: 

=======================

import java.util.Scanner;

public class Test29_Pereda_Challege {

public static void main(String [] args) {

int pvail;

Scanner input = new Scanner(System.in);

System.out.println("Enter your age: ");

pvail = input.nextInt ();

 if  (pvail >=18) {

System.out.println("You are eligible to vote! ");

 

 }

 

 else {

System.out.println("Not eligible to vote!");

 

input.close();

  }

}

}

============================================================



============================
Code: 
==============================
import java.util.Scanner;

public class Test30_Pereda_nestedifelse {

public static void main(String [] args) {


int pvail;
Scanner input = new Scanner (System.in);

System.out.println("Enter a number from 1 to 4: ");
pvail = input.nextInt();


if (pvail == 1) {
System.out.println("Congratulation!!!! Your Discount: 10%");

}

else if (pvail == 2) {
System.out.println("Congratulation!!!! Your Discount: 50%");

}

else if (pvail == 3) {
System.out.println("Sorry you didn't avail the Discount");

}

else if (pvail == 4) {
System.out.println("Congratulation!!!! Your Discount: 20%");

}

else {
System.out.println("The number you entered is invalid. Enter a number from 1 to 4");

}

input.close();


}

}

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Java Basic Activities: Assignment Operators

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Code: 
======================
public class Test25_Pereda_Challege {

    public static void main(String [] args) {

int a = 5, b = 5;

a +=b;
System.out.println("The sum of the first and second:" + a);
a -=b;
System.out.println("The sum of the first and second:"  + a);
a *=b;
System.out.println("The sum of the first and second:" + a);
a /=b;
System.out.println("The sum of the first and second:"  + a);




    }

}
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Sample no. 2



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Code: 
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public class Test26_Pereda_Assignment {

public static void main(String [] args) {

int a = 5, c;

c = a;
System.out.println("Variable C is equal to :" + c);
c += a;
System.out.println("Variable C is equal to :" + c);
c -= a;
System.out.println("Variable C is equal to :" + c);
c *= a;
System.out.println("Variable C is equal to :" + c);
c /= a;
System.out.println("Variable C is equal to :" + c);



}

}