info/learnxinyminutes-docs
1
0
Fork 0
mirror of https://github.com/adambard/learnxinyminutes-docs.git synced 2025-08-10 08:44:28 +02:00
Code Issues Releases Wiki Activity

fixed some issues & added a new array init

Browse Source
This commit is contained in:
Jake Prather
2013-07-01 07:56:02 -05:00
parent 2431545594
commit 2d6ed6d083
1 changed files with 9 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
java.html.markdown
View File

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