Path; import java.nio.file.Paths; public class Main { public static void main(String[] args) { Path path = Paths.get("Main.java"); try {//w w w . ja va 2 s . co m byte[] contents; contents = Files.readAllBytes(path); for (byte b : contents) { System.out.print((char) ...
Another option to read text files is to use the Java streaming API. TheFiles.linesreads all lines from a file as a stream. The bytes from the file are decoded into characters using theStandardCharsets.UTF-8charset. Main.java import java.io.IOException; ...
Just like there are many ways for writing String to text file, there are multiple ways to read String form File in Java. You can use FileReader, BufferedReader, Scanner, and FileInputStream to read text from file. One thing to keep in mind is character encoding. You must use correct ...
ReadFileLineByLineUsingFiles.java packagecom.journaldev.readfileslinebyline;importjava.io.IOException;importjava.nio.file.Files;importjava.nio.file.Paths;importjava.util.List;publicclassReadFileLineByLineUsingFiles{publicstaticvoidmain(String[]args){try{List<String>allLines=Files.readAllLines(Paths.get(...
Next, let’s read a text file into tokens using a StreamTokenizer. The way the tokenizer works is – first, we need to figure out what the next token is – String or number; we do that by looking at the tokenizer.ttype field. Then, we’ll read the actual token based on this type...
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To read a text file from the classpath in Java, you can use the getResourceAsStream method of the ClassLoader class to get an InputStream for the file, and then use a BufferedReader to read the contents of the file. Here's an example of how you can read a text file from the ...
已知String str = "this is a text"; 1.将str中的单词单独获取 2.将str中的text替换成practice 3.在text前面插入一个easy 4.将每个单词的首字母改为大写 */ importjava.util.Arrays; publicclassStringTest2{ publicstaticvoidmain(String[] args){ ...
现在,我们可以使用FileUtils.readLines()(来自Apache Commons IO的静态方法)将文件中的所有行读取到List <String>中: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 try{// read all lines of a fileList<String>lines=FileUtils.readLines(Paths.get("examplefile.txt").toFile(),"UTF-8");// process...