java

[Solved] Pass Data from Dialog to new Activity

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Pass in as an extra: instead of: Intent i = new Intent(getActivity().getApplicationContext(),Upvalence.class); startActivity(i); you should pass in the name Intent i = new Intent(getActivity().getApplicationContext(),Upvalence.class); i.putExtra(“string”, SlectedName); startActivity(i); Then, on your Upvalence activity: @Override protected void onCreate(@Nullable Bundle savedInstanceState) { Bundle arguments = this.getIntent().getExtras(); String yourString = arguments.getString(“string”); } solved Pass Data from Dialog to new … Read more

[Solved] Catching ArrayIndexOutOfBoundsExc

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An ArrayIndexOutOfBoundsException should generally not be handled as it is considered as a programming error. However, if you want to do this.. just write it the more natural way : try { for(row=row-1;row>=0;row–) { if(tablero[col1][row]==”.”) { tablero[col1][row]=”X”; break; } } } catch (ArrayIndexOutOfBoundsException ex) { // do something } However, from your edited message, it … Read more

[Solved] Subtract 6 hours from an existing Date object java (midnight corner case)

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No. After running the following code: Date birthDate = (…say Apr 20th 0300hrs) Calendar cal = Calendar.getInstance(); cal.setTime(birthDate); cal.add(Calendar.HOUR, -6); you are guaranteed that cal is set to six hours before ‘Apr 20th 0300hrs’, but not that it is set to ‘Apr 19th 2100hrs’. 4 solved Subtract 6 hours from an existing Date object java … Read more

[Solved] Reflection – Exception in thread “main” java.lang.ArrayIndexOutOfBoundsException: 0

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Based on your exception, you aren’t passing any arguments to your class’ main method – System.out.println(Arrays.toString(args)); // <– to display your arguments. // Class<?> c = Class.forName(args[0]); // <– you should have a default Class<?> c = Class.forName(args.length > 0 ? args[0] : “java.lang.Object”); 3 solved Reflection – Exception in thread “main” java.lang.ArrayIndexOutOfBoundsException: 0

[Solved] Regex from javascript to java

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Matcher matcher = Pattern.compile(“c”).matcher(“abcde”); System.out.println(matcher.find()?matcher.start():-1); Matcher matcher2 = Pattern.compile(“[^\\d]”).matcher(“123bed567”); System.out.println(matcher2.find()); Matcher matcher3 = Pattern.compile(“\\d”).matcher(“asdgh”); System.out.println(matcher3.find()?matcher3.group():null); 2 solved Regex from javascript to java

[Solved] If statement JAVA [closed]

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You refer the below code with comments: int num=6;//num is 6 here num=num+1;//num is 7 after this step if (num>6)//num is greater than 6 ? YES, so below line will be executed jTextField1.setText(Integer.toString(num));//It comes here & sets jTextField1 as 7 else jTextField1.setText(Integer.toString(num+5)); In the first case as explained above, jTextField1 will be set as 7. … Read more

[Solved] H.323 Request Java [closed]

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I don’t think a there is a publically available library that implements H.323 signaling in Java, but there are 2 libraries with a C interface that you might be able to use from Java: OPAL is OpenSource, support H.323 and has a C wrapper. The commercial Radvision H.323 SDK also has a C interface. If … Read more