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authorVojta Svoboda <vojtasvoboda.cz@gmail.com>2015-10-08 22:15:32 +0200
committerVojta Svoboda <vojtasvoboda.cz@gmail.com>2015-10-08 22:15:32 +0200
commit838701b917bb914f3483b6e9233920a752d20f82 (patch)
treea430654109b2f8e6a47eddf057f86d73630314a7 /java.html.markdown
parent4d619e9b0fc4a061fa720b47b22068c8661e9be6 (diff)
parentabd7444f9e5343f597b561a69297122142881fc8 (diff)
Merge branch 'master' into translation/json-cs
Diffstat (limited to 'java.html.markdown')
-rw-r--r--java.html.markdown30
1 files changed, 15 insertions, 15 deletions
diff --git a/java.html.markdown b/java.html.markdown
index 478ec683..fc7948d6 100644
--- a/java.html.markdown
+++ b/java.html.markdown
@@ -47,9 +47,9 @@ public class LearnJava {
///////////////////////////////////////
- // Variables
+ // Variables
///////////////////////////////////////
-
+
/*
* Variable Declaration
*/
@@ -325,29 +325,29 @@ public class LearnJava {
// toString returns this Object's string representation.
System.out.println("trek info: " + trek.toString());
-
+
// Double Brace Initialization
// The Java Language has no syntax for how to create static Collections
// in an easy way. Usually you end up in the following way:
-
+
private static final Set<String> COUNTRIES = new HashSet<String>();
static {
validCodes.add("DENMARK");
validCodes.add("SWEDEN");
validCodes.add("FINLAND");
}
-
+
// But there's a nifty way to achive the same thing in an
// easier way, by using something that is called Double Brace
// Initialization.
-
+
private static final Set<String> COUNTRIES = HashSet<String>() {{
add("DENMARK");
add("SWEDEN");
- add("FINLAND");
+ add("FINLAND");
}}
-
- // The first brace is creating an new AnonymousInnerClass and the
+
+ // The first brace is creating an new AnonymousInnerClass and the
// second one declares and instance initializer block. This block
// is called with the anonymous inner class is created.
// This does not only work for Collections, it works for all
@@ -500,7 +500,7 @@ public class ExampleClass extends ExampleClassParent implements InterfaceOne,
}
-// Abstract Classes
+// Abstract Classes
// Abstract Class declaration syntax
// <access-level> abstract <abstract-class-name> extends <super-abstract-classes> {
// // Constants and variables
@@ -512,26 +512,26 @@ public class ExampleClass extends ExampleClassParent implements InterfaceOne,
// Also abstract classes CAN have the "main" method.
// Abstract classes solve these problems.
-public abstract class Animal
+public abstract class Animal
{
public abstract void makeSound();
// Method can have a body
public void eat()
{
- System.out.println("I am an animal and I am Eating.");
+ System.out.println("I am an animal and I am Eating.");
// Note: We can access private variable here.
age = 30;
}
- // No need to initialize, however in an interface
+ // No need to initialize, however in an interface
// a variable is implicitly final and hence has
// to be initialized.
private int age;
public void printAge()
{
- System.out.println(age);
+ System.out.println(age);
}
// Abstract classes can have main function.
@@ -552,7 +552,7 @@ class Dog extends Animal
// age = 30; ==> ERROR! age is private to Animal
}
- // NOTE: You will get an error if you used the
+ // NOTE: You will get an error if you used the
// @Override annotation here, since java doesn't allow
// overriding of static methods.
// What is happening here is called METHOD HIDING.