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I have an integer value with following.How can I convert integer to Datetime?
int input DateTime=1 6 25;
convert input to output
int output DateTime=1:06:25;
With Java 8:
java.time.LocalTime time = java.time.LocalTime.of(hour, minute, second);
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convert to lower of nearest 1000 in java
I want to convert to lower 1000 example
4300 should be 4000
4900 should be 4000
10050 should be 10000
how can we do this using java
sorry for the bad english
int value = …
int nearestThousand = value / 1_000 * 1_000;
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My Friend ask me this question and i am posting it here, if you have better approach please share
String getRandomMobileNumber() {
double random = Math.random();
Double randomten = random*1000000000.0;
return "0"+Math.round(randomten);
}
You can use this, see javadoc:
String phoneNumber = "0" + ThreadLocalRandom.current().nextInt(10000000, 99999999);
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Can anyone help me to write code that find how many characters string has.
All you need is - int len = yourString.length();
StringUtils should provide you with something that you are looking for:
int count = StringUtils.countMatches("haahaahaa", "a");
System.out.println(count);
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double ps1 = (double) (((double)1)/(double)100);
int maz = (double) ((ps1) * Double.parseDouble(500000.102)));
Is this right to use double, or shall i use long?
I am doing large calculations. And need to keep the correctness of the .102.
Use double! Because long has no signs after , (they have no fraction)
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I have int CYAN in Color class and get requested color from database
valueColor = this.getArguments().getString("valueColor", valueColor);
that is String "CYAN". How do I use this string as integer variable name in the following example?
int[] color = {color.CYAN,Color.WHITE};
You can parse the color string, thus:
colourString = getArguments().getString("valueColor", colourString);
int valueColor = Color.parseColor(colourString);
You may need to .toLower() as the docs only lists lower case examples: http://developer.android.com/reference/android/graphics/Color.html#parseColor(java.lang.String)