Recent questions tagged java

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How to force garbage collection in Java?

Nov 15, 2018 in Java by Neha
 • 6,300 points • 830 views
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1 answer

What is the maximum Java heap size of a 32-bit JVM on a 64-bit OS?

Nov 15, 2018 in Java by Neha
 • 6,300 points • 2,686 views
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1 answer

How to change selection listener in JComboBox?

Nov 15, 2018 in Java by Neha
 • 6,300 points • 879 views
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1 answer

Tomcat embeded with AWS Elastic Beanstalk won't listen to port 80

Nov 15, 2018 in AWS by Jino
 • 5,810 points • 1,756 views
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1 answer

Accessing connection from different class in Java / MySQL?

Nov 14, 2018 in Database by Bharani
 • 4,660 points • 1,667 views
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1 answer

Hadoop: How to copy directory from local system to hdfs using Java code?

Nov 14, 2018 in Big Data Hadoop by slayer
 • 29,350 points • 5,288 views
0 votes
1 answer

Reason for java.lang.IncompatibleClassChangeError

Nov 14, 2018 in Java by v.liyyah
 • 1,300 points • 1,805 views
+1 vote
1 answer

Maximum memory usage for JVM

Nov 14, 2018 in Java by v.liyyah
 • 1,300 points • 1,425 views
0 votes
1 answer

What is Enum in Java?

Nov 13, 2018 in Java by Neha
 • 6,300 points • 623 views
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1 answer

How to call a method from Constructor?

Nov 13, 2018 in Java by Neha
 • 6,300 points • 6,498 views
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1 answer

Why clone() method is protected in Java?

Nov 13, 2018 in Java by 93.lynn
 • 1,600 points • 4,240 views
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1 answer

Deep copying a 2d array in Java

Nov 13, 2018 in Java by 93.lynn
 • 1,600 points • 8,456 views
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1 answer

3DES encryption/decryption in Java

Nov 8, 2018 in Java by Bharani
 • 4,660 points • 10,657 views
+1 vote
1 answer

How do i send R errors from console to standard java output?

Nov 8, 2018 in Data Analytics by Ali
 • 11,360 points • 481 views
+1 vote
1 answer

How to read R errors through JRI

Nov 8, 2018 in Data Analytics by Ali
 • 11,360 points • 696 views
0 votes
2 answers

How to move or copy a file in Java

Nov 2, 2018 in Java by 93.lynn
 • 1,600 points • 704 views
0 votes
1 answer

HTML Parsing in Java

Nov 2, 2018 in Java by 93.lynn
 • 1,600 points • 331 views
0 votes
1 answer

Why do we use threads in Java?

Nov 2, 2018 in Java by jhanvi
 • 120 points • 925 views
+2 votes
1 answer

Hadoop Jersey 1.x injection which is now not supported by Weblogic 12C

Oct 31, 2018 in Big Data Hadoop by Aparna
 • 140 points • 1,140 views
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2 answers

Maximum size of an Java array

Oct 31, 2018 in Java by misc.edu04
 • 1,450 points • 5,462 views
0 votes
1 answer

varargs in Java

Oct 31, 2018 in Java by misc.edu04
 • 1,450 points • 617 views
0 votes
1 answer

Validate a jwt token from cognito

Oct 31, 2018 in AWS by findingbugs
 • 3,260 points • 3,543 views
0 votes
1 answer

Create AWS s3 bucket with null region

Oct 31, 2018 in AWS by findingbugs
 • 3,260 points • 2,527 views
0 votes
1 answer

Affinity in Java thread

Oct 31, 2018 in Java by 93.lynn
 • 1,600 points • 1,410 views
0 votes
1 answer

Default Object.toString() in hashcode

Oct 31, 2018 in Java by 93.lynn
 • 1,600 points • 757 views
0 votes
1 answer

Hadoop Mapreduce: Error: Could not find or load main class com.sun.tools.javac.Main

Oct 30, 2018 in Big Data Hadoop by slayer
 • 29,350 points • 3,259 views
0 votes
1 answer

How to delete hdfs folder from java app?

Oct 30, 2018 in Big Data Hadoop by slayer
 • 29,350 points • 1,898 views
0 votes
2 answers

How to convert List<Integer> to int[] in Java?

Oct 30, 2018 in Java by Sushmita
 • 6,910 points • 14,925 views
0 votes
1 answer

How to determine day of week by passing specific date?

Oct 30, 2018 in Java by Sushmita
 • 6,910 points • 3,941 views
0 votes
1 answer

Error - trustAnchors parameter must be non-empty

Oct 29, 2018 in Java by Sushmita
 • 6,910 points • 560 views
0 votes
1 answer

How to parse date string to Date?

Oct 29, 2018 in Java by Sushmita
 • 6,910 points • 5,569 views
+1 vote
2 answers

On decrypting file using KMS key in Amazon S3 i get an error

Oct 26, 2018 in AWS by findingbugs
 • 3,260 points • 4,937 views
0 votes
1 answer

How to fetch a list of items (like a SQL IN clause)

Oct 26, 2018 in AWS by findingbugs
 • 3,260 points • 9,672 views
0 votes
1 answer

How can we encrypt a String in Java?

Oct 26, 2018 in Java by Daisy
 • 8,120 points • 1,206 views
0 votes
1 answer

How to run Unix shell script from Java code?

Oct 26, 2018 in Java by Sushmita
 • 6,910 points • 6,213 views
0 votes
1 answer

Java String interning

Oct 25, 2018 in Java by 93.lynn
 • 1,600 points • 684 views
0 votes
2 answers

Splitting a string between letters and digits

Oct 25, 2018 in Java by v.liyyah
 • 1,300 points • 4,148 views
0 votes
1 answer

Eclipse java debugging: source not found

Oct 25, 2018 in Java by Sushmita
 • 6,910 points • 7,291 views
0 votes
1 answer

Ignoring new fields on JSON objects using Jackson

Oct 25, 2018 in Java by Sushmita
 • 6,910 points • 2,591 views
0 votes
3 answers

How to specify KeyValueTextInputFormat Separator in Hadoop-.20 api?

Oct 24, 2018 in Big Data Hadoop by digger
 • 26,740 points • 1,582 views
0 votes
1 answer

How to access AWS Lambda environment variables using Java?

Oct 24, 2018 in AWS by findingbugs
 • 3,260 points • 2,542 views
0 votes
2 answers

Java: convert List<String> to a String

Oct 23, 2018 in Java by Daisy
 • 8,120 points • 567 views
0 votes
1 answer

How to encode the HTTP URL address in Java?

Oct 23, 2018 in Java by Daisy
 • 8,120 points • 2,890 views
0 votes
1 answer

Usage of abstract class and interface

Oct 23, 2018 in Java by code.reaper12
 • 3,500 points • 553 views
0 votes
1 answer

Optional return type of getter() in Java 8

Oct 23, 2018 in Java by anto.trigg4
 • 3,440 points • 576 views
0 votes
1 answer

Recursively delete directories in Java

Oct 23, 2018 in Java by v.liyyah
 • 1,300 points • 337 views
0 votes
1 answer

Number of Characters in Java String

Oct 23, 2018 in Java by 93.lynn
 • 1,600 points • 341 views
+1 vote
3 answers

Not able to read a file from my assets folder

Oct 22, 2018 in Blockchain by digger
 • 26,740 points • 6,496 views
0 votes
1 answer

Is Java alone Sufficient for Hadoop?

Oct 18, 2018 in Big Data Hadoop by Neha
 • 6,300 points • 450 views
0 votes
2 answers

What's the difference between @JoinColumn and mappedBy when using a JPA @OneToMany association?

Oct 18, 2018 in Java by Daisy
 • 8,120 points • 20,355 views
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