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StephLew1
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ch02/Assigningvalues.java

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package PACKAGE_NAME;
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public class Assigningvalues
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{
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public static void main(String[] args)
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{
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String txt = "Fantastic";
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String lang = "Java";
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txt += lang; // Assign concatenated String
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System.out.println("Add & Assign Strings;" + txt);
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int sum = 10;
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int num = 20;
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sum += num ; // Assign result ( 10 + 20 = 30 )
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System.out.println( "Add & Assign Integers: " + sum ) ;
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int factor = 5 ;
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sum *= factor ; // Assign result ( 30 x 5 = 150 )
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System.out.println( "Multiplication sum: " + sum ) ;
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}
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}

ch02/Constants.java

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public class Constants
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{
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public static void main ( String[] args )
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{
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final int TOUCHDOWN = 6;
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final int CONVERSION = 1;
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final int FIELDGOAL = 1;
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int td, pat, fg, total;
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td = 4 * TOUCHDOWN;
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pat = 3 * CONVERSION;
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fg = 2 * FIELDGOAL;
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total = (td + pat + fg);
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System.out.println("Score: " + total );
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}
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}

ch02/DataTypes.java

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public class DataTypes
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{
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public static void main(String[] args)
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{
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char letter = 'M';
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String title = "Java in easy steps ";
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int number = 365;
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float decimal = 98.6f;
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boolean result = true;
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System.out.println("Initial is " + letter );
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System.out.println("Book is " +title );
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System.out.println("Days are " + number );
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System.out.println("Temperature is " + decimal );
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System.out.println("Answer is " + result );
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}
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}

ch02/Date.java

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public class Date
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{
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public static void main(String[] args)
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{ // gnerate some simple output
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System.out.println("hello ");
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int num = 13
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}
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}

ch02/Doingarithmetic.java

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public class Doingarithmetic
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{
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public static void main(String[] args)
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{
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int num = 100;
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int factor = 20;
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int sum = 0;
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sum = num + factor; // 100 + 20
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System.out.println("Addition sum: " + sum);
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sum = num - factor; // 100 - 20
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System.out.println("Subtrsction sum: " + sum);
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sum = num * factor ; // 100 x 20
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System.out.println( "Multiplication sum: " + sum ) ;
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sum = num / factor ; // 100 / 20
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System.out.println( "Division sum:" + sum ) ;
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}
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}

ch02/FirstVariable.java

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public class FirstVariable
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{
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public static void main(String []args )
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{
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String message = "Initial value";
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System.out.println (message);
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message = "Modified value";
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System.out.println (message);
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}
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}

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