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StringDemo.java
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packagesection5_Strings;
publicclassStringDemo {
publicstaticvoidmain(String[] args) {
Strings = "hello";
s = "bye";
System.out.println(s); // bye
Strings2 = "hello";
Strings3 = "hello";
System.out.println(s2+ "," + s3);
s3 = "sleep";
System.out.println(s2+ "," + s3);
System.out.println(s3.charAt(0));
System.out.println(s3.charAt(1));
System.out.println(s3.charAt(2));
System.out.println(s3.charAt(3));
System.out.println(s3.charAt(s3.length() - 1));
System.out.println(s3.length());
System.out.println(s2.substring(0));
System.out.println(s2.substring(1, 3));
System.out.println(s2.substring(3, 3));
System.out.println(s2.substring(3));
}
}
