Java Archives - Page 334 of 336

Fastest way to put contents of Set to a single String with words separated by a whitespace?

With commons/lang you can do this using StringUtils.join: String str_1 = StringUtils.join(set_1, " "); You can’t really beat that for brevity. Update: Re-reading this ...

April 1, 2022
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Java

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How do I enable index downloads in Eclipse for Maven dependency search?

How do I enable index downloads in Eclipse for Maven dependency search? – Read For Learn Skip to content In Eclipse, click on Windows ...

April 1, 2022
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Java

IT Nursery

StringFormat for Java Boolean Operator

‘b’ or ‘B’ general If the argument arg is null, then the result is “false”. If arg is a boolean or Boolean, then ...

April 1, 2022
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set background color: Android

Color.parseColor("#rrggbb") instead of #rrggbb you should be using hex values 0 to F for rr, gg and bb: e.g. Color.parseColor("#000000") or Color.parseColor("#FFFFFF") Source From documentation: public static int ...

April 1, 2022
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Java

IT Nursery

How to convert java.util.Date to java.sql.Date?

How to convert java.util.Date to java.sql.Date? Don’t. Both Date classes are outmoded. Sun, Oracle, and the JCP community gave up on those legacy date-time classes years ago with the ...

April 1, 2022
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No content to map due to end-of-input jackson parser

import com.fasterxml.jackson.core.JsonParser.Feature; import com.fasterxml.jackson.databind.ObjectMapper; StatusResponses loginValidator = null; ObjectMapper objectMapper = new ObjectMapper(); objectMapper.configure(Feature.AUTO_CLOSE_SOURCE, true); try { String res = result.getResponseAsString();//{"status":"true","msg":"success"} loginValidator = ...

April 1, 2022
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Convert JsonObject to String

April 1, 2022
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How do you count the elements of an array in java

What do you mean by “the count”? The number of elements with a non-zero value? You’d just have to count them. There’s no distinction between ...

April 1, 2022
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Java Returning method which returns arraylist?

1. If that class from which you want to call this method, is in the same package, then create an instance of this class ...

April 1, 2022
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How can I design a class named allergy

requirement: design a class named allergy that provides information about the allergy of a patient. e.g. who reported the allergy(patient/doctor/relative), different symptoms of ...

April 1, 2022
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