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fixed some issues & added a new array init

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Jake Prather 2013-07-01 07:56:02 -05:00
parent 2431545594
commit 2d6ed6d083
1 changed files with 9 additions and 6 deletions
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15
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@ -19,10 +19,10 @@ Java is a general-purpose, concurrent, class-based, object-oriented computer pro
Multi-line comments look like this.
*/
// Import Packages
// Import ArrayList class inside of the java.util package
import java.util.ArrayList;
// Import all "sub-packages"
import java.lang.Math.*;
// Import all classes inside of java.lang package
import java.lang.*;
// Inside of the learnjava class, is your program's
// starting point. The main method.
@ -93,6 +93,9 @@ int [] intArray = new int[10];
String [] stringArray = new String[1];
boolean [] booleanArray = new boolean[100];
// Another way to declare & initialize an array
int [] y = {9000, 1000, 1337};
// Indexing an array - Accessing an element
System.out.println("intArray @ 0: "+intArray[0]);
@ -118,9 +121,9 @@ int i1 = 1, i2 = 2; // Shorthand for multiple declarations
// Arithmetic is straightforward
System.out.println("1+2 = "+(i1 + i2)); // => 3
System.out.println("1+2 = "+(i2 - i1)); // => 1
System.out.println("1+2 = "+(i2 * i1)); // => 2
System.out.println("1+2 = "+(i1 / i2)); // => 0 (0.5, but truncated towards 0)
System.out.println("1-2 = "+(i2 - i1)); // => 1
System.out.println("1*2 = "+(i2 * i1)); // => 2
System.out.println("1/2 = "+(i1 / i2)); // => 0 (0.5, but truncated towards 0)
// Modulo
System.out.println("11%3 = "+(11 % 3)); // => 2