code: /*
  com.puppycrawl.tools.checkstyle.checks.naming.MemberNameCheck
  format = (default)^[a-z][a-zA-Z0-9]*$
  applyToPublic = (default)true
  applyToProtected = (default)true
  applyToPackage = (default)true
  applyToPrivate = (default)true
  
  
  */
  
  package com.puppycrawl.tools.checkstyle.grammar;
  
  /**
   * Input for Java 7 numerical literals.
   */
  public class InputJava7NumericalLiterals // ok
  {
      int i1 = 0b00011110;
      int i2 = 0B00011110;
      int i3 = 0xA;
      int i4 = 0x1___A_F;
      int i5 = 0b1;
      int i6 = 0b1___1_0;
      int i7 = 0;
      int i8 = 02;
      int i9 = 0_123;
      int i10 = 1;
      int i11 = 1___3;
      int i12 = 1_43_43598_7;
  
      long l1 = 0b00011110L;
      long l2 = 0B00011110l;
      long l3 = 0xAL;
      long l4 = 0x1___A_FL;
      long l5 = 0b1L;
      long l6 = 0b1___1_0L;
      long l7 = 0l;
      long l8 = 02L;
      long l9 = 0_123l;
      long l10 = 1l;
      long l11 = 1___3l;
      long l12 = 1_43_43598_7L;
      long l13 = 1_43_43598_7; // int promoted to long
  
      // the grammar considers floating point values to be of type "float"
      // by default which is wrong, it should be "double".
  
      float f1 = .1f;
      float f2 = (float) 1.; // double "downgraded" to float
      float f3 = 0f;
      float f4 = (float) 1e0; // double "downgraded" to float
      float f5 = 1e0f;
      float f6 = 12.345F;
      float f7 = (float) .5____2_1; // double "downgraded" to float
      float f8 = (float) 1__42__3.; // double "downgraded" to float
      float f9 = 0__2_4__324f;
      float f10 = (float) 1_34e0; // double "downgraded" to float
      float f11 = 1__1_2e0f;
      float f12 = 2_1___2.3__4_5F;
      float f13 = (float) 1_34e0__4__3; // double "downgraded" to float
      float f14 = 1__1_2e00__000_4f;
      float f15 = 2_1___2.3__4_5e00______0_5F;
  
      double d1 = .1d;
      double d2 = 1.D;
      double d3 = 0d;
      double d4 = 1e0D;
      double d5 = 1e0d;
      double d6 = 12.345D;
      double d7 = .5____2_1d;
      double d8 = 1__42__3.D;
      double d9 = 0__2_4__324d;
      double d10 = 1_34e0d;
      double d11 = 1__1_2e0d;
      double d12 = 2_1___2.3__4_5D;
      double d13 = 1_34e0__4__3d;
      double d14 = 1__1_2e00__000_4d;
      double d15 = 2_1___2.3__4_5e00______0_5D;
      double d16 = 0.12___34; // "float" promoted to double
  
      float hf1 = (float) 0x.1___AFp1; // double "downgraded" to float
      float hf2 = 0x.1___AFp0__0__0f;
      float hf3 = 0x2__3_34.4___AFP00_00f;
  
      double hd1 = 0x.1___AFp1;
      double hd2 = 0x.1___AFp0__0__0d;
      double hd3 = 0x2__3_34.4___AFP00_00d;
  
      int doc1 = 1234_5678;
      long doc2 = 1_2_3_4__5_6_7_8L;
      int doc3 = 0b0001_0010_0100_1000;
      double doc4 = 3.141_592_653_589_793d;
      double doc5 = 0x1.ffff_ffff_ffff_fP1_023; // Double.MAX_VALUE
  
  }
  