Program in Java decimal to binary 1 Answer(s) 6 years and 5 months ago
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i need a java example to String Reverse. Can you also explain the Java decimal to binary with the help of an example?
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April 23, 2008 at 8:28 PM
Hi friend,
import java.io.*; import java.io.IOException;
public class StringReverseExam{ public static void main(String[] args) throws IOException{ BufferedReader buff = new BufferedReader(new InputStreamReader(System.in)); System.out.println("Enter something string!"); String sre = buff.readLine(); System.out.println(ReverseString.reverseIt(sre)); } } class ReverseString{ public static String reverseIt(String source) { int i, len = source.length(); StringBuffer dest = new StringBuffer(len); for (i = (len - 1); i >= 0; i--) dest.append(source.charAt(i)); return dest.toString(); } }
---------------------------------
import java.io.*; import java.util.*;
public class Concatenation { private final long start;
public Concatenation(){ start = System.currentTimeMillis(); } public long getElapsed(){ return System.currentTimeMillis() - start; } }
public class StringConcatention{ static final int n = 47500;
public static void main(String args[]){ // build up string using + Concatenation con = new Concatenation(); String str1 = ""; for (int i = 1; i <= n; i++) { str1 = str1 + "*"; } System.out.println("elapsed time #1 = " + con.getelapsed()); // build up string using stringbuffer con = new Concatenation(); stringbuffer sb = new stringbuffer(); for(int i = 1; i <= n; i++){ sb.append("*"); } String str2 = sb.tostring(); System.out.println("elapsed time #2 = " + con.getelapsed()); // sanity check if (!str1.equals(str2)){ System.out.println("str1/str2 mismatch"); } } }
BINARY TO DECIMAL - Java Beginners BINARY TO DECIMAL HELP ME PLSS. PROGRAM THAT CONVERTS BINARY TO DECIMAL Hi friend,
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import... " + decimal);
}
}
For read information on Java :
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import java.io....));
}
}
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