Hashtable key value pair add put get pair Java Android example
How add pair of strings to Hashtable, how get pair key value from Hashtable, how split string, basic Java Android example.
MainClass.java
MainClass.java
import java.util.Enumeration;
import java.util.Hashtable;
public class MainClass {
public static void main(String[] arg) {
// english;germany dictionary
String[] arrayOfString = { "one;eine", "two;zwei", "three;drei" };
Hashtable<String, String> hashTable = new Hashtable<String, String>();
for(String s: arrayOfString){
String[] array = s.split(";");
String sKey ="", sValue="";
if(array.length > 1){
sKey = array[0]; sValue = array[1];
hashTable.put(sKey, sValue);
}
}
Enumeration<String> enumer = hashTable.keys();
while (enumer.hasMoreElements()) {
String keyFromTable = (String) enumer.nextElement();
// get Returns the value to which the specified key is mapped,
// or null if this map contains no mapping for the key
System.out.println(keyFromTable + " = " + hashTable.get(keyFromTable));
}
}
}
/*
two = zwei
one = eine
three = drei
*/
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break statement in Java Android basic example
MainClass.java
MainClass.java
public class MainClass {
public static void main(String[] arg) {
String[] arrayOfString = {"nothing", "Hello", "people"
, "bye-bye", "hello", "world!", "end" };
for (int i = 0; i < arrayOfString.length; i++) {
System.out.println(arrayOfString[i]);
if(i > 2)
break; // end of loop
}
}
}
/*
nothing
Hello
people
bye-bye
*/
If a button have focus, marquee will run.
Important:
android:singleLine="true"
android:ellipsize="marquee"
Optional:
android:marqueeRepeatLimit="1"
Important:
android:singleLine="true"
android:ellipsize="marquee"
Optional:
android:marqueeRepeatLimit="1"
// main.xml
<Button
android:layout_width="150dip"
android:layout_height="wrap_content"
android:text="My button with a long text for marquee as a example source code"
android:singleLine="true"
android:ellipsize="marquee"
android:marqueeRepeatLimit="1"/>
Try this solution:
String DATA = "Html text....bla bla bla. Hellou world! čšřžěéá";
String HEADERHTML =
"<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">"
+"<html> <head> <meta http-equiv="content-type" content="text/html; charset=utf-8">"
+"</head> <body>";
String FOOTERHTML = "</body></html>";
WebView mWebView.loadData(HEADERHTML+DATA+FOOTERHTML,"text/html; charset=UTF-8",null);
Try two way in Eclipse IDE:
1.) Import the library project into your Eclipse workspace.
Click File > Import,
select Android > Existing Android Code into Workspace, and browse to the copy of the library project to import it.
If project not visible with checkbox try next step as see below.
2.) Click
File > New > Other
select Android > Existing Android Code into Workspace, and browse to the copy of the library project to import it.
1.) Import the library project into your Eclipse workspace.
Click File > Import,
select Android > Existing Android Code into Workspace, and browse to the copy of the library project to import it.
If project not visible with checkbox try next step as see below.
2.) Click
File > New > Other
select Android > Existing Android Code into Workspace, and browse to the copy of the library project to import it.
The source attachment does not contain the source for the file TextWatcher.class.
You can change the source attachment by clicking Change Attached Source below:
You have to add JDK src.zip path to dialog as on image below.
[caption id="attachment_1091" align="alignleft" width="282" caption="class file editor source not found Eclipse warning"]
[/caption]
Or go to Project > Properties > Java Build Path > Libraries
Expand JRE System Library. Expand rt.jar.
Select Source attachment and double click or Edit.
Type path the source code file (External File…) and press OK.
[caption id="attachment_1094" align="alignleft" width="300" caption="Java project build path"]
[/caption]
[caption id="attachment_1105" align="alignleft" width="300" caption="Java JRE deifiniton path in Eclipse"]
[/caption]
Now if mouse move about keywords String or F3 on keywords and press button in yellow field will opened String.class
You can change the source attachment by clicking Change Attached Source below:
You have to add JDK src.zip path to dialog as on image below.
[caption id="attachment_1091" align="alignleft" width="282" caption="class file editor source not found Eclipse warning"]
[/caption]
Or go to Project > Properties > Java Build Path > Libraries
Expand JRE System Library. Expand rt.jar.
Select Source attachment and double click or Edit.
Type path the source code file (External File…) and press OK.
[caption id="attachment_1094" align="alignleft" width="300" caption="Java project build path"]
[/caption]
Or type path in Java JRE definition
[caption id="attachment_1105" align="alignleft" width="300" caption="Java JRE deifiniton path in Eclipse"]
[/caption]
How open String.class or others keywords definition with Eclipse.
Now if mouse move about keywords String or F3 on keywords and press button in yellow field will opened String.class
Editace: 2013-12-09 10:56:37
Počet článků v kategorii: 396
Url:hashtable-key-value-pair-add-put-get-pair-java-android-example
