T8156180.java:14:18: compiler.err.var.might.not.have.been.initialized: a1
T8156180.java:15:20: compiler.err.var.might.not.have.been.initialized: b1
T8156180.java:16:22: compiler.err.var.might.not.have.been.initialized: c1
T8156180.java:17:24: compiler.err.var.might.not.have.been.initialized: d1
4 errors