convertnum2.html
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<TITLE>Parsing and Formatting a Number into Binary, Octal, and Hexadecimal
(Java Developers Almanac Example)
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<h3>
e83.
Parsing and Formatting a Number into Binary, Octal, and Hexadecimal</h3>
<pre>
int i = <font color="#0066ff"><i>1023</i></font>;
// Parse and format to binary
i = Integer.parseInt(<font color="#0066ff"><i>"1111111111"</i></font>, 2); // 1023
String s = Integer.toString(i, 2); // 1111111111
// Parse and format to octal
i = Integer.parseInt(<font color="#0066ff"><i>"1777"</i></font>, 8); // 1023
s = Integer.toString(i, 8); // 1777
// Parse and format to decimal
i = Integer.parseInt(<font color="#0066ff"><i>"1023"</i></font>); // 1023
s = Integer.toString(i); // 1023
// Parse and format to hexadecimal
i = Integer.parseInt(<font color="#0066ff"><i>"3ff"</i></font>, 16); // 1023
s = Integer.toString(i, 16); // 3ff
// Parse and format to arbitrary radix <= Character.MAX_RADIX
int radix = <font color="#0066ff"><i>32</i></font>;
i = Integer.parseInt(<font color="#0066ff"><i>"vv"</i></font>, radix); // 1023
s = Integer.toString(i, radix); // vv
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Related Examples
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e82. <a class="eglink" href="ConvertNum.html?l=rel">
Converting a String to a Number
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See also:
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Arrays
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<a class="eglink" href="/egs/java.lang/pkg.html?l=rel#Assertions">
Assertions
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Classes
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Commands
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Objects
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Strings
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<a class="eglink" href="/egs/java.lang/pkg.html?l=rel#System%20Properties">
System Properties
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Threads
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