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ArrayList Collections Add new Item Sort Find Item Java example



How add item to ArrayList, sort ArrayList, search find index of item in ArrayList, min(), max() Java basic example.

import java.util.ArrayList;
import java.util.Collections;

public class MainClass {
	public static void main(String[] arg) {
		String[] arrayOfString = {"nothing", "Hello", "people"
				, "bye-bye", "hello", "world!", "End" };
		   ArrayList<String> arrayList = new ArrayList<String>();
            for(String s: arrayOfString)
		     arrayList.add(s);

		    Collections.sort(arrayList);
		    // foreach
		    for (String str: arrayList)
		      System.out.println(str);
		    
		    Object objMin = Collections.min(arrayList);
		    System.out.println("Min is: " + objMin);
		    
		    Object objMax = Collections.max(arrayList);
		    System.out.println("Max is: " + objMax);
		    
		    int index = Collections.binarySearch(arrayList, "people");
		    System.out.println("Index of people is: " + index);
		    
		  }

		
	
}
/*
End
Hello
bye-bye
hello
nothing
people
world!
Min is: End
Max is: world!
Index of people is: 5
*/

397LW NO topic_id



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Samsung i9250 Galaxy Nexus | samsung-i9250-galaxy-nexus






























Brand Samsung
Model (codename) i9250 Galaxy Nexus
Cena, včetně DPH 9000
Veikost Displaye v palcích 4.65
Display-resolution 1280x720
Dotek-typ kapacitní
CPU typ
CPU MHz 1200
CPU core 2
L2 cache
RAM 1 GB
ROM 16 - 32 GB
GPU TI OMAP 4460 1,2 GHz dual-core
NenaMark2 Benchmark
GPU-GLBenchmark
Baterie mAh 1750
Foto MPx 5
Autofocus yes
Video 480p - 30 frames/s
Official Android ICS Android 4.0 Ice Cream Sandwich
CyanogenMod support
Dotek-prstů-max
Display-ppi
Display-retina
Network GSM&EDGE: 850 / 900 / 1.800 / 1.900
Connectivity
Pozn.


samsung-i9250-galaxy-nexus image
samsung-i9250-galaxy-nexus
383

Android Fragment Examples | android-fragment-examples


Code look up at the Api Demos

android_fragments arguments attributes - three fragments on screen
android_fragments_arguments

android_fragments_alert_dialog
android_fragments_alert_dialog.png

android_fragments_context_menu
android_fragments_context_menu.png

android_fragments_custom_animation
android_fragments_custom_animation.png

android_fragments_dialog
android_fragments_dialog.png

android_fragments_dialog_or_activity
android_fragments_dialog_or_activity.png

fragment_hide_show
fragment_hide_show.png

fragment_layout
fragment_layout

fragments_list_array
fragments_list_array.png

fragment_menu
fragment_menu.png

android_fragments_get_result_from_fragment and tabs in two rows
android_fragments_get_result_from_fragment.png

android_fragments_recive_result
android_fragments_recive_result.png

android_fragments_stack
android_fragments_stack.png

fragment_tabs
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188

Set Drawable programmatically Android example | set-drawable-programmatically-android-example



// start_dark.png is stored in path	/package_name/res/drawable/start_dark.png
Drawable dw = getApplicationContext().getResources().getDrawable(R.drawable.start_dark);
Button hButtonStart = (Button)findViewById(R.id.buttonStart);
hButtonStart.setCompoundDrawablesWithIntrinsicBounds(dw, null, null, null);

168

Android SDK Samples as a Photo Gallery | android-sdk-samples-as-photo-serial


Photo Gallery of Android SDK Samples.
For better understanding of what the source knows there is a gallery of images.
After clicking on the preview displays the actual size and Titlebar
You can read the path to the source file as: Graphics/AnimateDrawables see the project folder
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23

Hide keyboard Android example | hide-keyboard-android-example


Use this code for example in some method or function

// public Object getSystemService (String name)
// Return the handle to a system-level service by name.
// The class of the returned object varies by the requested name.
InputMethodManager inputMethodManager = (InputMethodManager)getSystemService(Context.INPUT_METHOD_SERVICE);
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//EditText myEdit = (EditText)findViewById(R.id.idEditText);
inputMethodManager .hideSoftInputFromWindow(myEdit.getWindowToken(), 0);




Editace Jana Žákovská : 2013-12-09 10:57:01
Počet článků v kategorii: 397
Url:arraylist-collection-sort-add-java-example
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