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In below program, String buffer is working as expected, but in case of string builder, the length of String builder is zero, while it's giving me some ...

I have a String date coming in form of dd.MM.yyyy. I want to compare if its a future date (today+1 day) I am trying to convert the string into date a ...

For certain input values though format and all things are correct, I am getting ParseException from SimpleDateFormat.parse(String input) method. I'm ...

I got only jre folder for below java version but not the jdk folder. /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.362.b08-1.el7_9.x86_64 How can I get th ...

I have created a custom Predicate below and want to test it using mockito. I am creating the mocks of the specific exception classes since these dont ...

I'm using Ubuntu 20.04 OS. I got error.I read all articles related to topic. I both set my default Java version 8 and also add the openjfx to the I ...

I need to extract values from a string and insert into a list. The below is the samples At a time a word only can be present in the string, multipl ...

Is there a docker image for wildfly 26.1.2 Final with JDK 8 support ? ...

I have a table with the below info Id Name EmpDate AwardsReceived 1 Tom 1/19/2023 ...

As i have declared java_home in environment variables if i start android studio electric ele its showing the message failed to load jvm dll. I am usin ...

As you know, dropWhile for streams was introduced in java 9. But if the target of the project is java 8, you can't use it. Example code: What I wa ...

I am trying to transform the below JSON: From: { "id": 123, "name": { "firstName": "shiva", "lastName": "kumar" }, "dateOfBirth": "1 ...

There's a JSON array response I am getting as below. [{ contracted: 1 payrolltype: basicsalary otherdata: sampledata ...

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I have a list of states (enum: SomeStatus.class). I want to check if all states matches either FINISHED, PENDING, then I want to execute some conditio ...

The type java.util.stream.Stream cannot be resolved. It is indirectly referenced from required type java.util.Arrays I want filter from array of ob ...

I am using logback-classic 1.3.5 in my project but it is giving me UnsupportedOperationException. My project is on JDK 8 and when I saw in manifest fi ...

I have a list of objects which I want to select one with a specific value but only if its null and I having a hard time doing this with java 8 streams ...

I have a Map that has some entires like And a separate map that has entries How can I write logic in java 8 so that I am returned "abc" and "def ...