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Java 2021-11-02 12:04:22
java read lines from file
private ArrayList<String> readFileLines(String filepath) throws FileNotFoundException, IOException{ File fp = new File(filepath); FileReader fr = new FileReader(fp); BufferedReader br = new BufferedReader(fr); ArrayList<String> lines ... Add solution -
Java 2021-10-29 09:19:11
casting in java
Primitive Type casting and Reference Type casting PRIMITIVE CASTING: implicit casting (casting smaller type to larger int a = 100; double c = a;) explicit casting (casting larger to smaller byte b = (byte) a; REFERENCE CASTING: upcasting - implicitl... Add solution -
Java 2021-10-26 22:39:05
copy arraylist java
List<Something> original=new ArrayList<>(); //insert elements List<Something> copy=new ArrayList<>(original);//create copy here System.out.println(copy.equals(original));//true because the copy has the same elements System.out.prin... Add solution -
Java 2021-10-26 11:30:09
Define a list java
List<MyType> myList = new ArrayList<>(); Add solution -
Java 2021-10-25 07:58:10
java read csv file into arraylist
import java.io.BufferedReader; import java.io.IOException; import java.nio.charset.StandardCharsets; import java.nio.file.Files; import java.nio.file.Path; import java.nio.file.Paths; import java.util.ArrayList; import java.util.List; /** * Simple Java ... Add solution
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