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public class JavaChracterisJavaIdentifierStartExample1 { public static void main(String[] args) { // Create three char primitives ch1, ch2 and ch3. char ch1, ch2, ch3; // Assign values to ch1, ch2 and ch3. ch1 = '1'; ch2 = '5'; ch3 = '_'; // Create three boolean primitives b1, b2 and b3. boolean b1, b2, b3; // Assign result to b1, b2 and b3. b1 = Character.isJavaIdentifierStart(ch1); b2 = Character.isJavaIdentifierStart(ch2); b3 = Character.isJavaIdentifierStart(ch3); String str1 = " The first character may start a Java identifier: " + b1; String str2 = " The second character may start a Java identifier: " + b2; String str3 = " The third character may start a Java identifier: " + b3; // print b1, b2 values System.out.println( str1 ); System.out.println( str2 ); System.out.println( str3 ); } }
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