Java String Variable: Difference between revisions

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=== 2011 ===
=== 2011 ===
* http://docs.oracle.com/javase/7/docs/api/java/lang/String.html
* http://docs.oracle.com/javase/7/docs/api/java/lang/String.html
** QUOTE: The String class represents character strings. All string literals in Java programs, such as "abc", are implemented as instances of this class.        <P>        Strings are constant; their values cannot be changed after they are created. String buffers support mutable strings. Because String objects are immutable they can be shared.        <P>        For example: <BR> <code>String str = "abc";</code> <BR> is equivalent to: <BR> <code>char data[] = {'a', 'b', 'c'};<BR>String str = new String(data);</code>        <P> Here are some more examples of how strings can be used: <BR> <code>System.out.println("abc"); <BR> String cde = "cde"; <BR> System.out.println("abc" + cde); <BR> String c = "abc".substring(2,3); <BR> String d = cde.substring(1, 2);</code>
** QUOTE: The String class represents character strings. All string literals in Java programs, such as "abc", are implemented as instances of this class.        <P>        Strings are constant; their values cannot be changed after they are created. String buffers support mutable strings. Because String objects are immutable they can be shared.        <P>        For example: <BR> <code>String str = "abc";</code> <BR> is equivalent to: <BR> <code>char data[] = {'a', 'b', 'c'};<BR>String str = new String(data);</code>        <P>       Here are some more examples of how strings can be used: <BR> <code>System.out.println("abc"); <BR> String cde = "cde"; <BR> System.out.println("abc" + cde); <BR> String c = "abc".substring(2,3); <BR> String d = cde.substring(1, 2);</code>
** Method Summary <table border=1>
** Method Summary <table border=1>
<tr><td><B>Modifier and Type <td><B>Method<td><B>Description</B>
<tr><td><B>Modifier and Type <td><B>Method<td><B>Description</B>

Revision as of 00:29, 19 August 2021

See: Java Variable, String Variable, String Datatype, Perl String Variable, Java Array Variable.



References

2011

  • http://docs.oracle.com/javase/7/docs/api/java/lang/String.html
    • QUOTE: The String class represents character strings. All string literals in Java programs, such as "abc", are implemented as instances of this class.

      Strings are constant; their values cannot be changed after they are created. String buffers support mutable strings. Because String objects are immutable they can be shared.

      For example:
      String str = "abc";
      is equivalent to:
      char data[] = {'a', 'b', 'c'};
      String str = new String(data);

      Here are some more examples of how strings can be used:
      System.out.println("abc");
      String cde = "cde";
      System.out.println("abc" + cde);
      String c = "abc".substring(2,3);
      String d = cde.substring(1, 2);

    • Method Summary
      Modifier and Type MethodDescription
      .........
      intlength()Returns the length of this string.
      .........